165676320 has 96 divisors (see below), whose sum is σ = 579882240. Its totient is φ = 44179200.

The previous prime is 165676279. The next prime is 165676321. The reversal of 165676320 is 23676561.

165676320 is a `hidden beast` number, since 16 + 5 + 6 + 7 + 632 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165676321) 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, 14856 + ... + 23495.

It is an arithmetic number, because the mean of its divisors is an integer number (6040440).

Almost surely, 2^165676320 is an apocalyptic number.

165676320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165676320 is an abundant number, since it is smaller than the sum of its proper divisors (414205920).

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

165676320 is a wasteful number, since it uses less digits than its factorization.

165676320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38375 (or 38361 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 165676320 is about 12871.5313774236. The cubic root of 165676320 is about 549.2290244549.

The spelling of 165676320 in words is "one hundred sixty-five million, six hundred seventy-six thousand, three hundred twenty".