128746520916 has 48 divisors (see below), whose sum is σ = 334672665600. Its totient is φ = 38248301952.

The previous prime is 128746520909. The next prime is 128746520933. The reversal of 128746520916 is 619025647821.

It is a congruent number.

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, 14224756 + ... + 14233803.

It is an arithmetic number, because the mean of its divisors is an integer number (6972347200).

Almost surely, 2^128746520916 is an apocalyptic number.

It is an amenable number.

128746520916 is an abundant number, since it is smaller than the sum of its proper divisors (205926144684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128746520916 is a wasteful number, since it uses less digits than its factorization.

128746520916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28458608 (or 28458606 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 128746520916 in words is "one hundred twenty-eight billion, seven hundred forty-six million, five hundred twenty thousand, nine hundred sixteen".