83613032581256 has 64 divisors (see below), whose sum is σ = 160868153846400. Its totient is φ = 40729653854208.

The previous prime is 83613032581237. The next prime is 83613032581277. The reversal of 83613032581256 is 65218523031638.

It is a super-2 number, since 2×83613032581256² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83613032581198 and 83613032581207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41470226 + ... + 43439678.

It is an arithmetic number, because the mean of its divisors is an integer number (2513564903850).

Almost surely, 2^{83613032581256} is an apocalyptic number.

It is an amenable number.

83613032581256 is a deficient number, since it is larger than the sum of its proper divisors (77255121265144).

83613032581256 is a wasteful number, since it uses less digits than its factorization.

83613032581256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970398 (or 1970394 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 53.

The spelling of 83613032581256 in words is "eighty-three trillion, six hundred thirteen billion, thirty-two million, five hundred eighty-one thousand, two hundred fifty-six".