83121561630484 has 24 divisors (see below), whose sum is σ = 157162441539488. Its totient is φ = 38238834157920.

The previous prime is 83121561630451. The next prime is 83121561630509. The reversal of 83121561630484 is 48403616512138.

It is a super-3 number, since 3×83121561630484³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

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, 2603390502 + ... + 2603422429.

Almost surely, 2^{83121561630484} is an apocalyptic number.

It is an amenable number.

83121561630484 is a deficient number, since it is larger than the sum of its proper divisors (74040879909004).

83121561630484 is a wasteful number, since it uses less digits than its factorization.

83121561630484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5206813255 (or 5206813253 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 83121561630484 in words is "eighty-three trillion, one hundred twenty-one billion, five hundred sixty-one million, six hundred thirty thousand, four hundred eighty-four".