65557016 has 16 divisors (see below), whose sum is σ = 140479440. Its totient is φ = 28095840.

The previous prime is 65557001. The next prime is 65557027. The reversal of 65557016 is 61075556.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585275 + ... + 585386.

It is an arithmetic number, because the mean of its divisors is an integer number (8779965).

Almost surely, 2^65557016 is an apocalyptic number.

It is an amenable number.

65557016 is an abundant number, since it is smaller than the sum of its proper divisors (74922424).

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

65557016 is a wasteful number, since it uses less digits than its factorization.

65557016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170674 (or 1170670 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 65557016 is about 8096.7287221445. The cubic root of 65557016 is about 403.2178278787.

The spelling of 65557016 in words is "sixty-five million, five hundred fifty-seven thousand, sixteen".