915416063881 has 16 divisors (see below), whose sum is σ = 1009777950720. Its totient is φ = 822953915280.

The previous prime is 915416063833. The next prime is 915416063897. The reversal of 915416063881 is 188360614519.

It is a cyclic number.

It is not a de Polignac number, because 915416063881 - 2²⁵ = 915382509449 is a prime.

It is a super-2 number, since 2×915416063881² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (915416063281) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 638341 + ... + 1496098.

It is an arithmetic number, because the mean of its divisors is an integer number (63111121920).

Almost surely, 2^915416063881 is an apocalyptic number.

It is an amenable number.

915416063881 is a deficient number, since it is larger than the sum of its proper divisors (94361886839).

915416063881 is a wasteful number, since it uses less digits than its factorization.

915416063881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134884.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 915416063881 in words is "nine hundred fifteen billion, four hundred sixteen million, sixty-three thousand, eight hundred eighty-one".