369252781656 has 128 divisors (see below), whose sum is σ = 1030900780800. Its totient is φ = 109247201280.

The previous prime is 369252781607. The next prime is 369252781669. The reversal of 369252781656 is 656187252963.

It is a super-2 number, since 2×369252781656² (a number of 24 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 369252781656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35606040 + ... + 35616408.

It is an arithmetic number, because the mean of its divisors is an integer number (8053912350).

Almost surely, 2^369252781656 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 369252781656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515450390400).

369252781656 is an abundant number, since it is smaller than the sum of its proper divisors (661647999144).

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

369252781656 is a wasteful number, since it uses less digits than its factorization.

369252781656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13569 (or 13565 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 60.

The spelling of 369252781656 in words is "three hundred sixty-nine billion, two hundred fifty-two million, seven hundred eighty-one thousand, six hundred fifty-six".