100506101656165 has 32 divisors (see below), whose sum is σ = 123063805476864. Its totient is φ = 78780200304960.

The previous prime is 100506101656091. The next prime is 100506101656217. The reversal of 100506101656165 is 561656101605001.

It is a de Polignac number, because none of the positive numbers 2^k-100506101656165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530148922 + ... + 530338468.

It is an arithmetic number, because the mean of its divisors is an integer number (3845743921152).

Almost surely, 2^{100506101656165} is an apocalyptic number.

It is an amenable number.

100506101656165 is a deficient number, since it is larger than the sum of its proper divisors (22557703820699).

100506101656165 is a wasteful number, since it uses less digits than its factorization.

100506101656165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198097.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 100506101656165 in words is "one hundred trillion, five hundred six billion, one hundred one million, six hundred fifty-six thousand, one hundred sixty-five".