16039998372 has 24 divisors (see below), whose sum is σ = 39628231776. Its totient is φ = 5032156288.

The previous prime is 16039998371. The next prime is 16039998407. The reversal of 16039998372 is 27389993061.

It is not an unprimeable number, because it can be changed into a prime (16039998371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39313518 + ... + 39313925.

It is an arithmetic number, because the mean of its divisors is an integer number (1651176324).

Almost surely, 2^16039998372 is an apocalyptic number.

16039998372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16039998372 is an abundant number, since it is smaller than the sum of its proper divisors (23588233404).

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

16039998372 is a wasteful number, since it uses less digits than its factorization.

16039998372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78627467 (or 78627465 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 57.

The spelling of 16039998372 in words is "sixteen billion, thirty-nine million, nine hundred ninety-eight thousand, three hundred seventy-two".