172241534843686 has 16 divisors (see below), whose sum is σ = 322114039188480. Its totient is φ = 67107091497480.

The previous prime is 172241534843681. The next prime is 172241534843701. The reversal of 172241534843686 is 686348435142271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172241534843681) 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, 559225762326 + ... + 559225762633.

It is an arithmetic number, because the mean of its divisors is an integer number (20132127449280).

Almost surely, 2^{172241534843686} is an apocalyptic number.

172241534843686 is a deficient number, since it is larger than the sum of its proper divisors (149872504344794).

172241534843686 is a wasteful number, since it uses less digits than its factorization.

172241534843686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118451524979.

The product of its digits is 185794560, while the sum is 64.

The spelling of 172241534843686 in words is "one hundred seventy-two trillion, two hundred forty-one billion, five hundred thirty-four million, eight hundred forty-three thousand, six hundred eighty-six".