172641577103497 has 32 divisors (see below), whose sum is σ = 194048252640000. Its totient is φ = 152731673960448.

The previous prime is 172641577103491. The next prime is 172641577103503. The reversal of 172641577103497 is 794301775146271.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (172641577103491) and next prime (172641577103503).

It is a cyclic number.

It is not a de Polignac number, because 172641577103497 - 2¹¹ = 172641577101449 is a prime.

It is a super-2 number, since 2×172641577103497² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172641577103491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62055513 + ... + 64777849.

It is an arithmetic number, because the mean of its divisors is an integer number (6064007895000).

Almost surely, 2^{172641577103497} is an apocalyptic number.

172641577103497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

172641577103497 is a deficient number, since it is larger than the sum of its proper divisors (21406675536503).

172641577103497 is a wasteful number, since it uses less digits than its factorization.

172641577103497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725185.

The product of its (nonzero) digits is 62233920, while the sum is 64.

The spelling of 172641577103497 in words is "one hundred seventy-two trillion, six hundred forty-one billion, five hundred seventy-seven million, one hundred three thousand, four hundred ninety-seven".