100665156059 has 12 divisors (see below), whose sum is σ = 109409551200. Its totient is φ = 92576206944.

The previous prime is 100665156047. The next prime is 100665156083. The reversal of 100665156059 is 950651566001.

It is not a de Polignac number, because 100665156059 - 2⁴ = 100665156043 is a prime.

It is a super-2 number, since 2×100665156059² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100665156019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1061699 + ... + 1152620.

It is an arithmetic number, because the mean of its divisors is an integer number (9117462600).

Almost surely, 2^100665156059 is an apocalyptic number.

100665156059 is a deficient number, since it is larger than the sum of its proper divisors (8744395141).

100665156059 is a wasteful number, since it uses less digits than its factorization.

100665156059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214614 (or 2214601 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 100665156059 in words is "one hundred billion, six hundred sixty-five million, one hundred fifty-six thousand, fifty-nine".