16575299420 has 48 divisors (see below), whose sum is σ = 37240845600. Its totient is φ = 6178187520.

The previous prime is 16575299417. The next prime is 16575299453. The reversal of 16575299420 is 2499257561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334355 + ... + 380714.

It is an arithmetic number, because the mean of its divisors is an integer number (775850950).

Almost surely, 2^16575299420 is an apocalyptic number.

16575299420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16575299420 is an abundant number, since it is smaller than the sum of its proper divisors (20665546180).

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

16575299420 is a wasteful number, since it uses less digits than its factorization.

16575299420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715158 (or 715156 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 16575299420 in words is "sixteen billion, five hundred seventy-five million, two hundred ninety-nine thousand, four hundred twenty".