16636716360 has 320 divisors, whose sum is σ = 61362100800. Its totient is φ = 4009305600.

The previous prime is 16636716347. The next prime is 16636716391. The reversal of 16636716360 is 6361763661.

16636716360 is a `hidden beast` number, since 1 + 6 + 6 + 3 + 6 + 7 + 1 + 636 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6449551 + ... + 6452129.

It is an arithmetic number, because the mean of its divisors is an integer number (191756565).

Almost surely, 2^16636716360 is an apocalyptic number.

16636716360 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 16636716360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30681050400).

16636716360 is an abundant number, since it is smaller than the sum of its proper divisors (44725384440).

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

16636716360 is a wasteful number, since it uses less digits than its factorization.

16636716360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2781 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The spelling of 16636716360 in words is "sixteen billion, six hundred thirty-six million, seven hundred sixteen thousand, three hundred sixty".