80951516 has 12 divisors (see below), whose sum is σ = 142231320. Its totient is φ = 40314000.

The previous prime is 80951483. The next prime is 80951527. The reversal of 80951516 is 61515908.

It is a hoax number, since the sum of its digits (35) 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 3 ways as a sum of consecutive naturals, for example, 39311 + ... + 41318.

It is an arithmetic number, because the mean of its divisors is an integer number (11852610).

Almost surely, 2^80951516 is an apocalyptic number.

It is an amenable number.

80951516 is a deficient number, since it is larger than the sum of its proper divisors (61279804).

80951516 is a wasteful number, since it uses less digits than its factorization.

80951516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80884 (or 80882 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 80951516 is about 8997.3060412548. The cubic root of 80951516 is about 432.5885254322.

It can be divided in two parts, 809 and 51516, that added together give a palindrome (52325).

The spelling of 80951516 in words is "eighty million, nine hundred fifty-one thousand, five hundred sixteen".