16400054708 has 12 divisors (see below), whose sum is σ = 28701070272. Its totient is φ = 8199748920.

The previous prime is 16400054707. The next prime is 16400054729. The reversal of 16400054708 is 80745000461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16400054707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120773 + ... + 217683.

It is an arithmetic number, because the mean of its divisors is an integer number (2391755856).

Almost surely, 2^16400054708 is an apocalyptic number.

It is an amenable number.

16400054708 is a deficient number, since it is larger than the sum of its proper divisors (12301015564).

16400054708 is a wasteful number, since it uses less digits than its factorization.

16400054708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139222 (or 139220 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 16400054708 in words is "sixteen billion, four hundred million, fifty-four thousand, seven hundred eight".