90772141566356 has 24 divisors (see below), whose sum is σ = 159260211277440. Its totient is φ = 45269305183872.

The previous prime is 90772141566343. The next prime is 90772141566371. The reversal of 90772141566356 is 65366514127709.

It is a happy number.

It is a super-2 number, since 2×90772141566356² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5662946 + ... + 14615513.

It is an arithmetic number, because the mean of its divisors is an integer number (6635842136560).

Almost surely, 2^{90772141566356} is an apocalyptic number.

It is an amenable number.

90772141566356 is a deficient number, since it is larger than the sum of its proper divisors (68488069711084).

90772141566356 is a wasteful number, since it uses less digits than its factorization.

90772141566356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20281343 (or 20281341 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 62.

The spelling of 90772141566356 in words is "ninety trillion, seven hundred seventy-two billion, one hundred forty-one million, five hundred sixty-six thousand, three hundred fifty-six".