90665056202 has 32 divisors (see below), whose sum is σ = 156102895872. Its totient is φ = 38687347584.

The previous prime is 90665056199. The next prime is 90665056231. The reversal of 90665056202 is 20265056609.

It is a super-2 number, since 2×90665056202² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90665056202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7921628 + ... + 7933064.

It is an arithmetic number, because the mean of its divisors is an integer number (4878215496).

Almost surely, 2^90665056202 is an apocalyptic number.

90665056202 is a deficient number, since it is larger than the sum of its proper divisors (65437839670).

90665056202 is a wasteful number, since it uses less digits than its factorization.

90665056202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13862.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 90665056202 in words is "ninety billion, six hundred sixty-five million, fifty-six thousand, two hundred two".