100649614516 has 36 divisors (see below), whose sum is σ = 193857419140. Its totient is φ = 45690163200.

The previous prime is 100649614477. The next prime is 100649614523. The reversal of 100649614516 is 615416946001.

It can be written as a sum of positive squares in 2 ways, for example, as 47724771600 + 52924842916 = 218460^2 + 230054^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236986 + ... + 507406.

Almost surely, 2^100649614516 is an apocalyptic number.

It is an amenable number.

100649614516 is a deficient number, since it is larger than the sum of its proper divisors (93207804624).

100649614516 is a wasteful number, since it uses less digits than its factorization.

100649614516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271216 (or 271203 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 100649614516 in words is "one hundred billion, six hundred forty-nine million, six hundred fourteen thousand, five hundred sixteen".