80510616 has 24 divisors (see below), whose sum is σ = 218049780. Its totient is φ = 26836848.

The previous prime is 80510609. The next prime is 80510669. The reversal of 80510616 is 61601508.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 80510616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 559030 + ... + 559173.

Almost surely, 2^80510616 is an apocalyptic number.

It is an amenable number.

80510616 is an abundant number, since it is smaller than the sum of its proper divisors (137539164).

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

80510616 is a wasteful number, since it uses less digits than its factorization.

80510616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118215 (or 1118208 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 80510616 is about 8972.7708095103. The cubic root of 80510616 is about 431.8017351527.

The spelling of 80510616 in words is "eighty million, five hundred ten thousand, six hundred sixteen".