16599660498 has 48 divisors (see below), whose sum is σ = 38212780320. Its totient is φ = 5192995968.

The previous prime is 16599660491. The next prime is 16599660499. The reversal of 16599660498 is 89406699561.

16599660498 is a `hidden beast` number, since 1 + 6 + 59 + 96 + 6 + 0 + 498 = 666.

It is not an unprimeable number, because it can be changed into a prime (16599660491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190215 + ... + 263402.

It is an arithmetic number, because the mean of its divisors is an integer number (796099590).

Almost surely, 2^16599660498 is an apocalyptic number.

16599660498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16599660498 is an abundant number, since it is smaller than the sum of its proper divisors (21613119822).

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

16599660498 is a wasteful number, since it uses less digits than its factorization.

16599660498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453751 (or 453748 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 63.

The spelling of 16599660498 in words is "sixteen billion, five hundred ninety-nine million, six hundred sixty thousand, four hundred ninety-eight".