166232976 has 160 divisors (see below), whose sum is σ = 556631040. Its totient is φ = 41513472.

The previous prime is 166232951. The next prime is 166232977. The reversal of 166232976 is 679232661.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (166232977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81991 + ... + 83993.

It is an arithmetic number, because the mean of its divisors is an integer number (3478944).

Almost surely, 2^166232976 is an apocalyptic number.

166232976 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 166232976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278315520).

166232976 is an abundant number, since it is smaller than the sum of its proper divisors (390398064).

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

166232976 is a wasteful number, since it uses less digits than its factorization.

166232976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053 (or 2047 counting only the distinct ones).

The product of its digits is 163296, while the sum is 42.

The square root of 166232976 is about 12893.1367789223. The cubic root of 166232976 is about 549.8434551719.

The spelling of 166232976 in words is "one hundred sixty-six million, two hundred thirty-two thousand, nine hundred seventy-six".