90929191110 has 16 divisors (see below), whose sum is σ = 218230058736. Its totient is φ = 24247784288.

The previous prime is 90929191079. The next prime is 90929191123. The reversal of 90929191110 is 1119192909.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515486489 + ... + 1515486548.

It is an arithmetic number, because the mean of its divisors is an integer number (13639378671).

Almost surely, 2^90929191110 is an apocalyptic number.

90929191110 is an abundant number, since it is smaller than the sum of its proper divisors (127300867626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90929191110 is a wasteful number, since it uses less digits than its factorization.

90929191110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030973047.

The product of its (nonzero) digits is 13122, while the sum is 42.

The spelling of 90929191110 in words is "ninety billion, nine hundred twenty-nine million, one hundred ninety-one thousand, one hundred ten".