90490557117416 has 8 divisors (see below), whose sum is σ = 169669794595170. Its totient is φ = 45245278558704.

The previous prime is 90490557117413. The next prime is 90490557117421. The reversal of 90490557117416 is 61471175509409.

It can be written as a sum of positive squares in only one way, i.e., 86994980952100 + 3495576165316 = 9327110^2 + 1869646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (90490557117413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655659819831 + ... + 5655659819846.

Almost surely, 2^{90490557117416} is an apocalyptic number.

It is an amenable number.

90490557117416 is a deficient number, since it is larger than the sum of its proper divisors (79179237477754).

90490557117416 is a wasteful number, since it uses less digits than its factorization.

90490557117416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11311319639683 (or 11311319639679 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 59.

The spelling of 90490557117416 in words is "ninety trillion, four hundred ninety billion, five hundred fifty-seven million, one hundred seventeen thousand, four hundred sixteen".