16709972598 has 80 divisors (see below), whose sum is σ = 42996507840. Its totient is φ = 4797111600.

The previous prime is 16709972551. The next prime is 16709972599. The reversal of 16709972598 is 89527990761.

It is a super-4 number, since 4×16709972598⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16709972599) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 212908 + ... + 280623.

It is an arithmetic number, because the mean of its divisors is an integer number (537456348).

Almost surely, 2^16709972598 is an apocalyptic number.

16709972598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16709972598 is an abundant number, since it is smaller than the sum of its proper divisors (26286535242).

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

16709972598 is a wasteful number, since it uses less digits than its factorization.

16709972598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493575 (or 493566 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 63.

The spelling of 16709972598 in words is "sixteen billion, seven hundred nine million, nine hundred seventy-two thousand, five hundred ninety-eight".