16115257416 has 16 divisors (see below), whose sum is σ = 40288143600. Its totient is φ = 5371752464.

The previous prime is 16115257397. The next prime is 16115257439. The reversal of 16115257416 is 61475251161.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335734506 + ... + 335734553.

It is an arithmetic number, because the mean of its divisors is an integer number (2518008975).

Almost surely, 2^16115257416 is an apocalyptic number.

It is an amenable number.

16115257416 is an abundant number, since it is smaller than the sum of its proper divisors (24172886184).

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

16115257416 is a wasteful number, since it uses less digits than its factorization.

16115257416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671469068 (or 671469064 counting only the distinct ones).

The product of its digits is 50400, while the sum is 39.

The spelling of 16115257416 in words is "sixteen billion, one hundred fifteen million, two hundred fifty-seven thousand, four hundred sixteen".