100870516 has 6 divisors (see below), whose sum is σ = 176523410. Its totient is φ = 50435256.

The previous prime is 100870477. The next prime is 100870519. The reversal of 100870516 is 615078001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 55442916 + 45427600 = 7446^2 + 6740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100870519) by changing a digit.

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 as a sum of consecutive naturals, namely, 12608811 + ... + 12608818.

Almost surely, 2^100870516 is an apocalyptic number.

It is an amenable number.

100870516 is a deficient number, since it is larger than the sum of its proper divisors (75652894).

100870516 is a wasteful number, since it uses less digits than its factorization.

100870516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25217633 (or 25217631 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 100870516 is about 10043.4314853042. The cubic root of 100870516 is about 465.5018530602.

The spelling of 100870516 in words is "one hundred million, eight hundred seventy thousand, five hundred sixteen".