90371616 has 48 divisors (see below), whose sum is σ = 237835584. Its totient is φ = 30046464.

The previous prime is 90371563. The next prime is 90371621. The reversal of 90371616 is 61617309.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45786 + ... + 47718.

It is an arithmetic number, because the mean of its divisors is an integer number (4954908).

Almost surely, 2^90371616 is an apocalyptic number.

90371616 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

90371616 is an abundant number, since it is smaller than the sum of its proper divisors (147463968).

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

90371616 is a wasteful number, since it uses less digits than its factorization.

90371616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 90371616 is about 9506.3986872001. The cubic root of 90371616 is about 448.7564282928.

The spelling of 90371616 in words is "ninety million, three hundred seventy-one thousand, six hundred sixteen".