90162613 has 8 divisors (see below), whose sum is σ = 90810720. Its totient is φ = 89517360.

The previous prime is 90162563. The next prime is 90162617. The reversal of 90162613 is 31626109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90162613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90162617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153306 + ... + 153892.

It is an arithmetic number, because the mean of its divisors is an integer number (11351340).

Almost surely, 2^90162613 is an apocalyptic number.

It is an amenable number.

90162613 is a deficient number, since it is larger than the sum of its proper divisors (648107).

90162613 is a wasteful number, since it uses less digits than its factorization.

90162613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 90162613 is about 9495.3995703182. The cubic root of 90162613 is about 448.4102139945.

The spelling of 90162613 in words is "ninety million, one hundred sixty-two thousand, six hundred thirteen".