90315806626 has 8 divisors (see below), whose sum is σ = 135480745260. Its totient is φ = 45155558208.

The previous prime is 90315806621. The next prime is 90315806657. The reversal of 90315806626 is 62660851309.

It can be written as a sum of positive squares in 2 ways, for example, as 90279216225 + 36590401 = 300465^2 + 6049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (90315806621) 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, 1124011 + ... + 1201678.

Almost surely, 2^90315806626 is an apocalyptic number.

90315806626 is a deficient number, since it is larger than the sum of its proper divisors (45164938634).

90315806626 is a wasteful number, since it uses less digits than its factorization.

90315806626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345108.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 90315806626 in words is "ninety billion, three hundred fifteen million, eight hundred six thousand, six hundred twenty-six".