100990653 has 16 divisors (see below), whose sum is σ = 139823616. Its totient is φ = 64768320.

The previous prime is 100990621. The next prime is 100990657. The reversal of 100990653 is 356099001.

It is not a de Polignac number, because 100990653 - 2⁵ = 100990621 is a prime.

It is a super-2 number, since 2×100990653² = 20398223986732818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100990657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12951 + ... + 19227.

It is an arithmetic number, because the mean of its divisors is an integer number (8738976).

Almost surely, 2^100990653 is an apocalyptic number.

It is an amenable number.

100990653 is a deficient number, since it is larger than the sum of its proper divisors (38832963).

100990653 is a wasteful number, since it uses less digits than its factorization.

100990653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 100990653 is about 10049.4105797305. The cubic root of 100990653 is about 465.6865843082.

The spelling of 100990653 in words is "one hundred million, nine hundred ninety thousand, six hundred fifty-three".