90160593613 has 4 divisors (see below), whose sum is σ = 92257351648. Its totient is φ = 88063835580.

The previous prime is 90160593583. The next prime is 90160593631. The reversal of 90160593613 is 31639506109.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31639506109 = 36599 ⋅864491.

It is a cyclic number.

It is not a de Polignac number, because 90160593613 - 2¹⁷ = 90160462541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 2096757991 = 90160593613 / (9 + 0 + 1 + 6 + 0 + 5 + 9 + 3 + 6 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90160593613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90160593643) 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, 1048378953 + ... + 1048379038.

It is an arithmetic number, because the mean of its divisors is an integer number (23064337912).

Almost surely, 2^90160593613 is an apocalyptic number.

It is an amenable number.

90160593613 is a deficient number, since it is larger than the sum of its proper divisors (2096758035).

90160593613 is a wasteful number, since it uses less digits than its factorization.

90160593613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096758034.

The product of its (nonzero) digits is 131220, while the sum is 43.

The spelling of 90160593613 in words is "ninety billion, one hundred sixty million, five hundred ninety-three thousand, six hundred thirteen".