16363657674 has 96 divisors (see below), whose sum is σ = 44459985024. Its totient is φ = 4234239360.

The previous prime is 16363657669. The next prime is 16363657721. The reversal of 16363657674 is 47675636361.

It is a happy number.

16363657674 is a `hidden beast` number, since 1 + 6 + 3 + 63 + 6 + 576 + 7 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16363657674.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7432 + ... + 181059.

It is an arithmetic number, because the mean of its divisors is an integer number (463124844).

Almost surely, 2^16363657674 is an apocalyptic number.

16363657674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16363657674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22229992512).

16363657674 is an abundant number, since it is smaller than the sum of its proper divisors (28096327350).

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

16363657674 is a wasteful number, since it uses less digits than its factorization.

16363657674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188572 (or 188569 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 54.

The spelling of 16363657674 in words is "sixteen billion, three hundred sixty-three million, six hundred fifty-seven thousand, six hundred seventy-four".