15992408416 has 12 divisors (see below), whose sum is σ = 31485054132. Its totient is φ = 7996204192.

The previous prime is 15992408413. The next prime is 15992408429. The reversal of 15992408416 is 61480429951.

It is a self number, because there is not a number n which added to its sum of digits gives 15992408416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15992408413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249881350 + ... + 249881413.

It is an arithmetic number, because the mean of its divisors is an integer number (2623754511).

Almost surely, 2^15992408416 is an apocalyptic number.

15992408416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15992408416 is a deficient number, since it is larger than the sum of its proper divisors (15492645716).

15992408416 is an equidigital number, since it uses as much as digits as its factorization.

15992408416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499762773 (or 499762765 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 15992408416 in words is "fifteen billion, nine hundred ninety-two million, four hundred eight thousand, four hundred sixteen".