65890057316 has 12 divisors (see below), whose sum is σ = 115323127920. Its totient is φ = 32940592200.

The previous prime is 65890057309. The next prime is 65890057417. The reversal of 65890057316 is 61375009856.

It is a happy 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, 1075586 + ... + 1135193.

It is an arithmetic number, because the mean of its divisors is an integer number (9610260660).

Almost surely, 2^65890057316 is an apocalyptic number.

It is an amenable number.

65890057316 is a deficient number, since it is larger than the sum of its proper divisors (49433070604).

65890057316 is a wasteful number, since it uses less digits than its factorization.

65890057316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218234 (or 2218232 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 65890057316 in words is "sixty-five billion, eight hundred ninety million, fifty-seven thousand, three hundred sixteen".