16139294080 has 256 divisors, whose sum is σ = 50283192960. Its totient is φ = 4807065600.

The previous prime is 16139294033. The next prime is 16139294117. The reversal of 16139294080 is 8049293161.

It is a happy number.

It is a congruent number.

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, 981930 + ... + 998230.

Almost surely, 2^16139294080 is an apocalyptic number.

16139294080 is a gapful number since it is divisible by the number (10) 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 16139294080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25141596480).

16139294080 is an abundant number, since it is smaller than the sum of its proper divisors (34143898880).

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

16139294080 is a wasteful number, since it uses less digits than its factorization.

16139294080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16357 (or 16345 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 16139294080 in words is "sixteen billion, one hundred thirty-nine million, two hundred ninety-four thousand, eighty".