166040364 has 48 divisors (see below), whose sum is σ = 447181056. Its totient is φ = 46968000.

The previous prime is 166040363. The next prime is 166040389. The reversal of 166040364 is 463040661.

166040364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (166040363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1302 + ... + 18269.

It is an arithmetic number, because the mean of its divisors is an integer number (9316272).

Almost surely, 2^166040364 is an apocalyptic number.

166040364 is a gapful number since it is divisible by the number (14) 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 166040364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223590528).

166040364 is an abundant number, since it is smaller than the sum of its proper divisors (281140692).

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

166040364 is a wasteful number, since it uses less digits than its factorization.

166040364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19686 (or 19684 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 166040364 is about 12885.6650585059. The cubic root of 166040364 is about 549.6310075965.

It can be divided in two parts, 1660 and 40364, that added together give a palindrome (42024).

The spelling of 166040364 in words is "one hundred sixty-six million, forty thousand, three hundred sixty-four".