172551376263 has 16 divisors (see below), whose sum is σ = 262943066880. Its totient is φ = 98597922816.

The previous prime is 172551376247. The next prime is 172551376297. The reversal of 172551376263 is 362673155271.

It is not a de Polignac number, because 172551376263 - 2⁴ = 172551376247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172551376243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777856 + ... + 974762.

It is an arithmetic number, because the mean of its divisors is an integer number (16433941680).

Almost surely, 2^172551376263 is an apocalyptic number.

172551376263 is a deficient number, since it is larger than the sum of its proper divisors (90391690617).

172551376263 is a wasteful number, since it uses less digits than its factorization.

172551376263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238646.

The product of its digits is 1587600, while the sum is 48.

The spelling of 172551376263 in words is "one hundred seventy-two billion, five hundred fifty-one million, three hundred seventy-six thousand, two hundred sixty-three".