100870066 has 32 divisors (see below), whose sum is σ = 171678528. Its totient is φ = 44043840.

The previous prime is 100870043. The next prime is 100870079. The reversal of 100870066 is 660078001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66816 + ... + 68308.

It is an arithmetic number, because the mean of its divisors is an integer number (5364954).

Almost surely, 2^100870066 is an apocalyptic number.

100870066 is a deficient number, since it is larger than the sum of its proper divisors (70808462).

100870066 is a wasteful number, since it uses less digits than its factorization.

100870066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 100870066 is about 10043.4090825775. The cubic root of 100870066 is about 465.5011608323.

The spelling of 100870066 in words is "one hundred million, eight hundred seventy thousand, sixty-six".