16844664396 has 48 divisors (see below), whose sum is σ = 47283272960. Its totient is φ = 4559457600.

The previous prime is 16844664391. The next prime is 16844664407. The reversal of 16844664396 is 69346644861.

It is a super-2 number, since 2×16844664396² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (16844664391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5275555 + ... + 5278746.

Almost surely, 2^16844664396 is an apocalyptic number.

It is an amenable number.

16844664396 is an abundant number, since it is smaller than the sum of its proper divisors (30438608564).

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

16844664396 is a wasteful number, since it uses less digits than its factorization.

16844664396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10554334 (or 10554332 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 57.

The spelling of 16844664396 in words is "sixteen billion, eight hundred forty-four million, six hundred sixty-four thousand, three hundred ninety-six".