16198572 has 24 divisors (see below), whose sum is σ = 40704496. Its totient is φ = 4984128.

The previous prime is 16198571. The next prime is 16198577. The reversal of 16198572 is 27589161.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 16198572.

It is not an unprimeable number, because it can be changed into a prime (16198571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51763 + ... + 52074.

Almost surely, 2^16198572 is an apocalyptic number.

16198572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16198572 is an abundant number, since it is smaller than the sum of its proper divisors (24505924).

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

16198572 is a wasteful number, since it uses less digits than its factorization.

16198572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103857 (or 103855 counting only the distinct ones).

The product of its digits is 30240, while the sum is 39.

The square root of 16198572 is about 4024.7449608640. The cubic root of 16198572 is about 253.0223646693.

The spelling of 16198572 in words is "sixteen million, one hundred ninety-eight thousand, five hundred seventy-two".