64135100516 has 6 divisors (see below), whose sum is σ = 112236425910. Its totient is φ = 32067550256.

The previous prime is 64135100501. The next prime is 64135100531. The reversal of 64135100516 is 61500153146.

It is an interprime number because it is at equal distance from previous prime (64135100501) and next prime (64135100531).

It can be written as a sum of positive squares in only one way, i.e., 39188161600 + 24946938916 = 197960^2 + 157946^2 .

It is a super-2 number, since 2×64135100516² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8016887561 + ... + 8016887568.

It is an arithmetic number, because the mean of its divisors is an integer number (18706070985).

Almost surely, 2^64135100516 is an apocalyptic number.

It is an amenable number.

64135100516 is a deficient number, since it is larger than the sum of its proper divisors (48101325394).

64135100516 is a wasteful number, since it uses less digits than its factorization.

64135100516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16033775133 (or 16033775131 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 64135100516 in words is "sixty-four billion, one hundred thirty-five million, one hundred thousand, five hundred sixteen".