16197433388 has 12 divisors (see below), whose sum is σ = 28355983152. Its totient is φ = 8095723920.

The previous prime is 16197433387. The next prime is 16197433393. The reversal of 16197433388 is 88333479161.

It is not an unprimeable number, because it can be changed into a prime (16197433387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 735995 + ... + 757682.

It is an arithmetic number, because the mean of its divisors is an integer number (2362998596).

Almost surely, 2^16197433388 is an apocalyptic number.

It is an amenable number.

16197433388 is a deficient number, since it is larger than the sum of its proper divisors (12158549764).

16197433388 is a wasteful number, since it uses less digits than its factorization.

16197433388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496392 (or 1496390 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The spelling of 16197433388 in words is "sixteen billion, one hundred ninety-seven million, four hundred thirty-three thousand, three hundred eighty-eight".