16997064900 has 72 divisors (see below), whose sum is σ = 49352195424. Its totient is φ = 4516512000.

The previous prime is 16997064863. The next prime is 16997064937. The reversal of 16997064900 is 946079961.

It is an interprime number because it is at equal distance from previous prime (16997064863) and next prime (16997064937).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15201 + ... + 185000.

Almost surely, 2^16997064900 is an apocalyptic number.

16997064900 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 16997064900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24676097712).

16997064900 is an abundant number, since it is smaller than the sum of its proper divisors (32355130524).

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

16997064900 is a wasteful number, since it uses less digits than its factorization.

16997064900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200501 (or 200494 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 16997064900 in words is "sixteen billion, nine hundred ninety-seven million, sixty-four thousand, nine hundred".