90820951522 has 16 divisors (see below), whose sum is σ = 155703700800. Its totient is φ = 38920604688.

The previous prime is 90820951517. The next prime is 90820951531. The reversal of 90820951522 is 22515902809.

It is a super-2 number, since 2×90820951522² (a number of 23 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, 2028 + ... + 426199.

It is an arithmetic number, because the mean of its divisors is an integer number (9731481300).

Almost surely, 2^90820951522 is an apocalyptic number.

90820951522 is a deficient number, since it is larger than the sum of its proper divisors (64882749278).

90820951522 is a wasteful number, since it uses less digits than its factorization.

90820951522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443385.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 90820951522 in words is "ninety billion, eight hundred twenty million, nine hundred fifty-one thousand, five hundred twenty-two".