369313820172 has 144 divisors (see below), whose sum is σ = 1060728668160. Its totient is φ = 111031572960.

The previous prime is 369313820159. The next prime is 369313820179. The reversal of 369313820172 is 271028313963.

369313820172 is a `hidden beast` number, since 3 + 69 + 313 + 8 + 201 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (369313820179) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1548373 + ... + 1770899.

Almost surely, 2^369313820172 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 369313820172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530364334080).

369313820172 is an abundant number, since it is smaller than the sum of its proper divisors (691414847988).

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

369313820172 is a wasteful number, since it uses less digits than its factorization.

369313820172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222689 (or 222670 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 369313820172 in words is "three hundred sixty-nine billion, three hundred thirteen million, eight hundred twenty thousand, one hundred seventy-two".