166154976 has 120 divisors (see below), whose sum is σ = 526352904. Its totient is φ = 51114240.

The previous prime is 166154971. The next prime is 166154977. The reversal of 166154976 is 679451661.

166154976 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166154971) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31231 + ... + 36161.

Almost surely, 2^166154976 is an apocalyptic number.

166154976 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 166154976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263176452).

166154976 is an abundant number, since it is smaller than the sum of its proper divisors (360197928).

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

166154976 is a wasteful number, since it uses less digits than its factorization.

166154976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966 (or 4949 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 166154976 is about 12890.1115588656. Note that the first 3 decimals coincide. The cubic root of 166154976 is about 549.7574423557.

The spelling of 166154976 in words is "one hundred sixty-six million, one hundred fifty-four thousand, nine hundred seventy-six".