80851662 has 16 divisors (see below), whose sum is σ = 179670480. Its totient is φ = 26950536.

The previous prime is 80851651. The next prime is 80851679. The reversal of 80851662 is 26615808.

It is a happy number.

80851662 is a `hidden beast` number, since 80 + 8 + 516 + 62 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748573 + ... + 748680.

It is an arithmetic number, because the mean of its divisors is an integer number (11229405).

Almost surely, 2^80851662 is an apocalyptic number.

80851662 is an abundant number, since it is smaller than the sum of its proper divisors (98818818).

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

80851662 is a wasteful number, since it uses less digits than its factorization.

80851662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497264 (or 1497258 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 80851662 is about 8991.7552235367. The cubic root of 80851662 is about 432.4105857237.

The spelling of 80851662 in words is "eighty million, eight hundred fifty-one thousand, six hundred sixty-two".