16404311364 has 96 divisors (see below), whose sum is σ = 46795956480. Its totient is φ = 4365729792.

The previous prime is 16404311327. The next prime is 16404311393. The reversal of 16404311364 is 46311340461.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79302 + ... + 197730.

It is an arithmetic number, because the mean of its divisors is an integer number (487457880).

Almost surely, 2^16404311364 is an apocalyptic number.

16404311364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16404311364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23397978240).

16404311364 is an abundant number, since it is smaller than the sum of its proper divisors (30391645116).

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

16404311364 is a wasteful number, since it uses less digits than its factorization.

16404311364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118557 (or 118555 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 16404311364 in words is "sixteen billion, four hundred four million, three hundred eleven thousand, three hundred sixty-four".