90828251404168 has 48 divisors (see below), whose sum is σ = 175259013505020. Its totient is φ = 44128147746816.

The previous prime is 90828251404133. The next prime is 90828251404183. The reversal of 90828251404168 is 86140415282809.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90655496457124 + 172754947044 = 9521318^2 + 415638^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13052821 + ... + 18762532.

Almost surely, 2^{90828251404168} is an apocalyptic number.

It is an amenable number.

90828251404168 is a deficient number, since it is larger than the sum of its proper divisors (84430762100852).

90828251404168 is a wasteful number, since it uses less digits than its factorization.

90828251404168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31815638 (or 31815591 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 58.

The spelling of 90828251404168 in words is "ninety trillion, eight hundred twenty-eight billion, two hundred fifty-one million, four hundred four thousand, one hundred sixty-eight".