90719528162 has 4 divisors (see below), whose sum is σ = 136079292246. Its totient is φ = 45359764080.

The previous prime is 90719528147. The next prime is 90719528191. The reversal of 90719528162 is 26182591709.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 85883577481 + 4835950681 = 293059^2 + 69541^2 .

It is a super-2 number, since 2×90719528162² (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 90719528162.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22679882039 + ... + 22679882042.

Almost surely, 2^90719528162 is an apocalyptic number.

90719528162 is a deficient number, since it is larger than the sum of its proper divisors (45359764084).

90719528162 is a wasteful number, since it uses less digits than its factorization.

90719528162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45359764083.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 90719528162 in words is "ninety billion, seven hundred nineteen million, five hundred twenty-eight thousand, one hundred sixty-two".