65610261016 has 32 divisors (see below), whose sum is σ = 124489872000. Its totient is φ = 32413486336.

The previous prime is 65610260981. The next prime is 65610261019. The reversal of 65610261016 is 61016201656.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65610261019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992550 + ... + 1056586.

It is an arithmetic number, because the mean of its divisors is an integer number (3890308500).

Almost surely, 2^65610261016 is an apocalyptic number.

It is an amenable number.

65610261016 is a deficient number, since it is larger than the sum of its proper divisors (58879610984).

65610261016 is a wasteful number, since it uses less digits than its factorization.

65610261016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65571 (or 65567 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 65610261016 in words is "sixty-five billion, six hundred ten million, two hundred sixty-one thousand, sixteen".