16939547352 has 216 divisors, whose sum is σ = 57791286540. Its totient is φ = 4467415680.

The previous prime is 16939547329. The next prime is 16939547381. The reversal of 16939547352 is 25374593961.

16939547352 is a `hidden beast` number, since 1 + 6 + 93 + 9 + 547 + 3 + 5 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 582027 + ... + 610437.

Almost surely, 2^16939547352 is an apocalyptic number.

16939547352 is a gapful number since it is divisible by the number (12) 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 16939547352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28895643270).

16939547352 is an abundant number, since it is smaller than the sum of its proper divisors (40851739188).

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

16939547352 is a wasteful number, since it uses less digits than its factorization.

16939547352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28463 (or 28436 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The spelling of 16939547352 in words is "sixteen billion, nine hundred thirty-nine million, five hundred forty-seven thousand, three hundred fifty-two".