90126164 has 12 divisors (see below), whose sum is σ = 158726484. Its totient is φ = 44775744.

The previous prime is 90126143. The next prime is 90126173. The reversal of 90126164 is 46162109.

It can be written as a sum of positive squares in 2 ways, for example, as 33756100 + 56370064 = 5810^2 + 7508^2 .

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, 71129 + ... + 72384.

It is an arithmetic number, because the mean of its divisors is an integer number (13227207).

Almost surely, 2^90126164 is an apocalyptic number.

It is an amenable number.

90126164 is a deficient number, since it is larger than the sum of its proper divisors (68600320).

90126164 is a wasteful number, since it uses less digits than its factorization.

90126164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143674 (or 143672 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 90126164 is about 9493.4800784538. The cubic root of 90126164 is about 448.3497813079.

The spelling of 90126164 in words is "ninety million, one hundred twenty-six thousand, one hundred sixty-four".