90661464 has 64 divisors (see below), whose sum is σ = 265104000. Its totient is φ = 28628640.

The previous prime is 90661411. The next prime is 90661477. The reversal of 90661464 is 46416609.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6942 + ... + 15149.

It is an arithmetic number, because the mean of its divisors is an integer number (4142250).

Almost surely, 2^90661464 is an apocalyptic number.

It is an amenable number.

90661464 is an abundant number, since it is smaller than the sum of its proper divisors (174442536).

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

90661464 is a wasteful number, since it uses less digits than its factorization.

90661464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22125 (or 22115 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 90661464 is about 9521.6313728268. The cubic root of 90661464 is about 449.2356803248.

It can be divided in two parts, 90661 and 464, that added together give a cube (91125 = 45³).

The spelling of 90661464 in words is "ninety million, six hundred sixty-one thousand, four hundred sixty-four".