163730392253 has 8 divisors (see below), whose sum is σ = 164954689920. Its totient is φ = 162510324480.

The previous prime is 163730392213. The next prime is 163730392289. The reversal of 163730392253 is 352293037361.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163730392253 - 2¹⁴ = 163730375869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163730392213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979748 + ... + 1134621.

It is an arithmetic number, because the mean of its divisors is an integer number (20619336240).

Almost surely, 2^163730392253 is an apocalyptic number.

It is an amenable number.

163730392253 is a deficient number, since it is larger than the sum of its proper divisors (1224297667).

163730392253 is a wasteful number, since it uses less digits than its factorization.

163730392253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114947.

The product of its (nonzero) digits is 612360, while the sum is 44.

The spelling of 163730392253 in words is "one hundred sixty-three billion, seven hundred thirty million, three hundred ninety-two thousand, two hundred fifty-three".