100561616079 has 8 divisors (see below), whose sum is σ = 134083679232. Its totient is φ = 67040315160.

The previous prime is 100561616033. The next prime is 100561616093. The reversal of 100561616079 is 970616165001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100561616079 - 2⁸ = 100561615823 is a prime.

It is a super-2 number, since 2×100561616079² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100561616079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100561686079) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 291474 + ... + 534864.

It is an arithmetic number, because the mean of its divisors is an integer number (16760459904).

Almost surely, 2^100561616079 is an apocalyptic number.

100561616079 is a deficient number, since it is larger than the sum of its proper divisors (33522063153).

100561616079 is a wasteful number, since it uses less digits than its factorization.

100561616079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381117.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 100561616079 in words is "one hundred billion, five hundred sixty-one million, six hundred sixteen thousand, seventy-nine".