16476799680 has 392 divisors, whose sum is σ = 64183985424. Its totient is φ = 3993753600.

The previous prime is 16476799679. The next prime is 16476799711. The reversal of 16476799680 is 8699767461.

16476799680 is a `hidden beast` number, since 1 + 6 + 476 + 79 + 96 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2562870 + ... + 2569290.

Almost surely, 2^16476799680 is an apocalyptic number.

16476799680 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 16476799680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32091992712).

16476799680 is an abundant number, since it is smaller than the sum of its proper divisors (47707185744).

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

16476799680 is an equidigital number, since it uses as much as digits as its factorization.

16476799680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6467 (or 6442 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 16476799680 in words is "sixteen billion, four hundred seventy-six million, seven hundred ninety-nine thousand, six hundred eighty".