16774622364 has 72 divisors (see below), whose sum is σ = 42702693040. Its totient is φ = 5120354304.

The previous prime is 16774622357. The next prime is 16774622369. The reversal of 16774622364 is 46322647761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16774622369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62952 + ... + 193680.

Almost surely, 2^16774622364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16774622364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21351346520).

16774622364 is an abundant number, since it is smaller than the sum of its proper divisors (25928070676).

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

16774622364 is a wasteful number, since it uses less digits than its factorization.

16774622364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130807 (or 130788 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 48.

The spelling of 16774622364 in words is "sixteen billion, seven hundred seventy-four million, six hundred twenty-two thousand, three hundred sixty-four".