100618970 has 16 divisors (see below), whose sum is σ = 181691208. Its totient is φ = 40119360.

The previous prime is 100618957. The next prime is 100618979. The reversal of 100618970 is 79816001.

It can be written as a sum of positive squares in 4 ways, for example, as 65820769 + 34798201 = 8113^2 + 5899^2 .

It is not an unprimeable number, because it can be changed into a prime (100618979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12701 + ... + 19040.

Almost surely, 2^100618970 is an apocalyptic number.

100618970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100618970 is a deficient number, since it is larger than the sum of its proper divisors (81072238).

100618970 is a wasteful number, since it uses less digits than its factorization.

100618970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32065.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 100618970 is about 10030.9007571603. The cubic root of 100618970 is about 465.1145823153.

The spelling of 100618970 in words is "one hundred million, six hundred eighteen thousand, nine hundred seventy".