16315401544 has 32 divisors (see below), whose sum is σ = 33146709120. Its totient is φ = 7483980096.

The previous prime is 16315401533. The next prime is 16315401569. The reversal of 16315401544 is 44510451361.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464272 + ... + 498175.

It is an arithmetic number, because the mean of its divisors is an integer number (1035834660).

Almost surely, 2^16315401544 is an apocalyptic number.

It is an amenable number.

16315401544 is an abundant number, since it is smaller than the sum of its proper divisors (16831307576).

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

16315401544 is a wasteful number, since it uses less digits than its factorization.

16315401544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962629 (or 962625 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 16315401544 in words is "sixteen billion, three hundred fifteen million, four hundred one thousand, five hundred forty-four".