90160001 has 4 divisors (see below), whose sum is σ = 90375600. Its totient is φ = 89944404.

The previous prime is 90159991. The next prime is 90160051. The reversal of 90160001 is 10006109.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90160001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90160051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107171 + ... + 108008.

It is an arithmetic number, because the mean of its divisors is an integer number (22593900).

Almost surely, 2^90160001 is an apocalyptic number.

It is an amenable number.

90160001 is a deficient number, since it is larger than the sum of its proper divisors (215599).

90160001 is a wasteful number, since it uses less digits than its factorization.

90160001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215598.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 90160001 is about 9495.2620290332. The cubic root of 90160001 is about 448.4058838228.

The spelling of 90160001 in words is "ninety million, one hundred sixty thousand, one".