80690616 has 48 divisors (see below), whose sum is σ = 219187800. Its totient is φ = 26816832.

The previous prime is 80690611. The next prime is 80690627. The reversal of 80690616 is 61609608.

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 (80690611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25810 + ... + 28766.

Almost surely, 2^80690616 is an apocalyptic number.

It is an amenable number.

80690616 is an abundant number, since it is smaller than the sum of its proper divisors (138497184).

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

80690616 is a wasteful number, since it uses less digits than its factorization.

80690616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 80690616 is about 8982.7955559503. The cubic root of 80690616 is about 432.1232929981.

The spelling of 80690616 in words is "eighty million, six hundred ninety thousand, six hundred sixteen".