172413965550 has 24 divisors (see below), whose sum is σ = 427586634936. Its totient is φ = 45977057440.

The previous prime is 172413965543. The next prime is 172413965551. The reversal of 172413965550 is 55569314271.

It is a self number, because there is not a number n which added to its sum of digits gives 172413965550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172413965551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 574713069 + ... + 574713368.

It is an arithmetic number, because the mean of its divisors is an integer number (17816109789).

Almost surely, 2^172413965550 is an apocalyptic number.

172413965550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172413965550 is an abundant number, since it is smaller than the sum of its proper divisors (255172669386).

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

172413965550 is a wasteful number, since it uses less digits than its factorization.

172413965550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149426452 (or 1149426447 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 172413965550 in words is "one hundred seventy-two billion, four hundred thirteen million, nine hundred sixty-five thousand, five hundred fifty".