166040496 has 160 divisors (see below), whose sum is σ = 527109120. Its totient is φ = 49775616.

The previous prime is 166040491. The next prime is 166040507. The reversal of 166040496 is 694040661.

166040496 is a `hidden beast` number, since 1 + 6 + 604 + 0 + 49 + 6 = 666.

166040496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 166040496.

It is not an unprimeable number, because it can be changed into a prime (166040491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168421 + ... + 169403.

It is an arithmetic number, because the mean of its divisors is an integer number (3294432).

Almost surely, 2^166040496 is an apocalyptic number.

166040496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166040496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263554560).

166040496 is an abundant number, since it is smaller than the sum of its proper divisors (361068624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166040496 is a wasteful number, since it uses less digits than its factorization.

166040496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 166040496 is about 12885.6701804757. The cubic root of 166040496 is about 549.6311532464.

The spelling of 166040496 in words is "one hundred sixty-six million, forty thousand, four hundred ninety-six".