16147597680 has 120 divisors (see below), whose sum is σ = 54454617360. Its totient is φ = 4288112640.

The previous prime is 16147597651. The next prime is 16147597681. The reversal of 16147597680 is 8679574161.

16147597680 is a `hidden beast` number, since 1 + 6 + 1 + 47 + 597 + 6 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16147597681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126991 + ... + 220049.

It is an arithmetic number, because the mean of its divisors is an integer number (453788478).

Almost surely, 2^16147597680 is an apocalyptic number.

16147597680 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 16147597680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27227308680).

16147597680 is an abundant number, since it is smaller than the sum of its proper divisors (38307019680).

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

16147597680 is a wasteful number, since it uses less digits than its factorization.

16147597680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93319 (or 93310 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 16147597680 in words is "sixteen billion, one hundred forty-seven million, five hundred ninety-seven thousand, six hundred eighty".