90197160 has 32 divisors (see below), whose sum is σ = 270591840. Its totient is φ = 24052544.

The previous prime is 90197147. The next prime is 90197207. The reversal of 90197160 is 6179109.

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, 375702 + ... + 375941.

It is an arithmetic number, because the mean of its divisors is an integer number (8455995).

Almost surely, 2^90197160 is an apocalyptic number.

It is an amenable number.

90197160 is an abundant number, since it is smaller than the sum of its proper divisors (180394680).

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

90197160 is a wasteful number, since it uses less digits than its factorization.

90197160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751657 (or 751653 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 90197160 is about 9497.2185401832. The cubic root of 90197160 is about 448.4674781199.

The spelling of 90197160 in words is "ninety million, one hundred ninety-seven thousand, one hundred sixty".