90521967746112 has 56 divisors (see below), whose sum is σ = 273721188188736. Its totient is φ = 25863419355648.

The previous prime is 90521967746083. The next prime is 90521967746123. The reversal of 90521967746112 is 21164776912509.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×90521967746112² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33676325943 + ... + 33676328630.

Almost surely, 2^{90521967746112} is an apocalyptic number.

It is an amenable number.

90521967746112 is an abundant number, since it is smaller than the sum of its proper divisors (183199220442624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90521967746112 is a wasteful number, since it uses less digits than its factorization.

90521967746112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67352654595 (or 67352654585 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 90521967746112 in words is "ninety trillion, five hundred twenty-one billion, nine hundred sixty-seven million, seven hundred forty-six thousand, one hundred twelve".