16598609950 has 48 divisors (see below), whose sum is σ = 34998228720. Its totient is φ = 5806149120.

The previous prime is 16598609941. The next prime is 16598609953. The reversal of 16598609950 is 5990689561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16598609953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 659659 + ... + 684358.

It is an arithmetic number, because the mean of its divisors is an integer number (729129765).

Almost surely, 2^16598609950 is an apocalyptic number.

16598609950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16598609950 is an abundant number, since it is smaller than the sum of its proper divisors (18399618770).

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

16598609950 is a wasteful number, since it uses less digits than its factorization.

16598609950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344061 (or 1344056 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 58.

The spelling of 16598609950 in words is "sixteen billion, five hundred ninety-eight million, six hundred nine thousand, nine hundred fifty".