90110100902 has 8 divisors (see below), whose sum is σ = 141041897136. Its totient is φ = 43096135192.

The previous prime is 90110100889. The next prime is 90110100923. The reversal of 90110100902 is 20900101109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979457573 + ... + 979457664.

It is an arithmetic number, because the mean of its divisors is an integer number (17630237142).

Almost surely, 2^90110100902 is an apocalyptic number.

90110100902 is a deficient number, since it is larger than the sum of its proper divisors (50931796234).

90110100902 is a wasteful number, since it uses less digits than its factorization.

90110100902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958915262.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 90110100902 in words is "ninety billion, one hundred ten million, one hundred thousand, nine hundred two".