917723163252 has 36 divisors (see below), whose sum is σ = 2490962873280. Its totient is φ = 262206617904.

The previous prime is 917723163241. The next prime is 917723163257. The reversal of 917723163252 is 252361327719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (917723163257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 780376252 + ... + 780377427.

Almost surely, 2^917723163252 is an apocalyptic number.

It is an amenable number.

917723163252 is an abundant number, since it is smaller than the sum of its proper divisors (1573239710028).

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

917723163252 is a wasteful number, since it uses less digits than its factorization.

917723163252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560753700 (or 1560753691 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The spelling of 917723163252 in words is "nine hundred seventeen billion, seven hundred twenty-three million, one hundred sixty-three thousand, two hundred fifty-two".