916128515164 has 24 divisors (see below), whose sum is σ = 1625136847488. Its totient is φ = 451845579120.

The previous prime is 916128515147. The next prime is 916128515177. The reversal of 916128515164 is 461515821619.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5147034 + ... + 5322049.

It is an arithmetic number, because the mean of its divisors is an integer number (67714035312).

Almost surely, 2^916128515164 is an apocalyptic number.

It is an amenable number.

916128515164 is a deficient number, since it is larger than the sum of its proper divisors (709008332324).

916128515164 is a wasteful number, since it uses less digits than its factorization.

916128515164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10469385 (or 10469383 counting only the distinct ones).

The product of its digits is 518400, while the sum is 49.

The spelling of 916128515164 in words is "nine hundred sixteen billion, one hundred twenty-eight million, five hundred fifteen thousand, one hundred sixty-four".