90974474106916 has 81 divisors (see below), whose sum is σ = 176808525581779. Its totient is φ = 40946789517568.

The previous prime is 90974474106911. The next prime is 90974474106931. The reversal of 90974474106916 is 61960147447909.

The square root of 90974474106916 is 9538054.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 21820613932516 + 69153860174400 = 4671254^2 + 8315880^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90974474106911) 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 in 26 ways as a sum of consecutive naturals, for example, 7458752130 + ... + 7458764326.

Almost surely, 2^{90974474106916} is an apocalyptic number.

90974474106916 is the 9538054-th square number.

It is an amenable number.

90974474106916 is a deficient number, since it is larger than the sum of its proper divisors (85834051474863).

90974474106916 is an equidigital number, since it uses as much as digits as its factorization.

90974474106916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24478 (or 12239 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 67.

The spelling of 90974474106916 in words is "ninety trillion, nine hundred seventy-four billion, four hundred seventy-four million, one hundred six thousand, nine hundred sixteen".