80665032 has 128 divisors (see below), whose sum is σ = 249523200. Its totient is φ = 21212928.

The previous prime is 80665027. The next prime is 80665049. The reversal of 80665032 is 23056608.

It is a super-2 number, since 2×80665032² = 13013694775122048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117763 + ... + 118445.

It is an arithmetic number, because the mean of its divisors is an integer number (1949400).

Almost surely, 2^80665032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80665032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124761600).

80665032 is an abundant number, since it is smaller than the sum of its proper divisors (168858168).

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

80665032 is a wasteful number, since it uses less digits than its factorization.

80665032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 80665032 is about 8981.3713874887. The cubic root of 80665032 is about 432.0776180836.

The spelling of 80665032 in words is "eighty million, six hundred sixty-five thousand, thirty-two".