90160167602 has 4 divisors (see below), whose sum is σ = 135240251406. Its totient is φ = 45080083800.

The previous prime is 90160167583. The next prime is 90160167637. The reversal of 90160167602 is 20676106109.

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., 45313211161 + 44846956441 = 212869^2 + 211771^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22540041899 + ... + 22540041902.

Almost surely, 2^90160167602 is an apocalyptic number.

90160167602 is a deficient number, since it is larger than the sum of its proper divisors (45080083804).

90160167602 is a wasteful number, since it uses less digits than its factorization.

90160167602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45080083803.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 90160167602 in words is "ninety billion, one hundred sixty million, one hundred sixty-seven thousand, six hundred two".