16996540608 has 56 divisors (see below), whose sum is σ = 49966686960. Its totient is φ = 5665512960.

The previous prime is 16996540607. The next prime is 16996540643. The reversal of 16996540608 is 80604569961.

It is a happy number.

16996540608 is a `hidden beast` number, since 1 + 6 + 9 + 96 + 540 + 6 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16996540607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4916253 + ... + 4919708.

Almost surely, 2^16996540608 is an apocalyptic number.

16996540608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16996540608 is an abundant number, since it is smaller than the sum of its proper divisors (32970146352).

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

16996540608 is an equidigital number, since it uses as much as digits as its factorization.

16996540608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9835982 (or 9835966 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 16996540608 in words is "sixteen billion, nine hundred ninety-six million, five hundred forty thousand, six hundred eight".