51616260033 has 24 divisors (see below), whose sum is σ = 75420811872. Its totient is φ = 31381129728.

The previous prime is 51616260019. The next prime is 51616260043. The reversal of 51616260033 is 33006261615.

It is not a de Polignac number, because 51616260033 - 2¹⁷ = 51616128961 is a prime.

It is a super-2 number, since 2×51616260033² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51616259976 and 51616260003.

It is not an unprimeable number, because it can be changed into a prime (51616260043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 571216 + ... + 655377.

It is an arithmetic number, because the mean of its divisors is an integer number (3142533828).

Almost surely, 2^51616260033 is an apocalyptic number.

It is an amenable number.

51616260033 is a deficient number, since it is larger than the sum of its proper divisors (23804551839).

51616260033 is a wasteful number, since it uses less digits than its factorization.

51616260033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226705 (or 1226692 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 51616260033 in words is "fifty-one billion, six hundred sixteen million, two hundred sixty thousand, thirty-three".