100875816 has 24 divisors (see below), whose sum is σ = 273205530. Its totient is φ = 33625248.

The previous prime is 100875809. The next prime is 100875839. The reversal of 100875816 is 618578001.

It can be written as a sum of positive squares in only one way, i.e., 96236100 + 4639716 = 9810^2 + 2154^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 700455 + ... + 700598.

Almost surely, 2^100875816 is an apocalyptic number.

It is an amenable number.

100875816 is an abundant number, since it is smaller than the sum of its proper divisors (172329714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100875816 is a wasteful number, since it uses less digits than its factorization.

100875816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401065 (or 1401058 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 100875816 is about 10043.6953358811. The cubic root of 100875816 is about 465.5100058112.

The spelling of 100875816 in words is "one hundred million, eight hundred seventy-five thousand, eight hundred sixteen".