16193972 has 12 divisors (see below), whose sum is σ = 28998816. Its totient is φ = 7908600.

The previous prime is 16193941. The next prime is 16193981. The reversal of 16193972 is 27939161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46904 + ... + 47247.

It is an arithmetic number, because the mean of its divisors is an integer number (2416568).

Almost surely, 2^16193972 is an apocalyptic number.

It is an amenable number.

16193972 is a deficient number, since it is larger than the sum of its proper divisors (12804844).

16193972 is a wasteful number, since it uses less digits than its factorization.

16193972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94198 (or 94196 counting only the distinct ones).

The product of its digits is 20412, while the sum is 38.

The square root of 16193972 is about 4024.1734555061. The cubic root of 16193972 is about 252.9984116717.

The spelling of 16193972 in words is "sixteen million, one hundred ninety-three thousand, nine hundred seventy-two".