90066610593 has 24 divisors (see below), whose sum is σ = 137978043840. Its totient is φ = 56492235360.

The previous prime is 90066610573. The next prime is 90066610607. The reversal of 90066610593 is 39501666009.

It is not a de Polignac number, because 90066610593 - 2²² = 90062416289 is a prime.

It is a super-2 number, since 2×90066610593² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90066610573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3553803 + ... + 3579056.

It is an arithmetic number, because the mean of its divisors is an integer number (5749085160).

Almost surely, 2^90066610593 is an apocalyptic number.

It is an amenable number.

90066610593 is a deficient number, since it is larger than the sum of its proper divisors (47911433247).

90066610593 is a wasteful number, since it uses less digits than its factorization.

90066610593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7132949 (or 7132946 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The spelling of 90066610593 in words is "ninety billion, sixty-six million, six hundred ten thousand, five hundred ninety-three".