172544906416 has 40 divisors (see below), whose sum is σ = 358540467120. Its totient is φ = 80189680896.

The previous prime is 172544906399. The next prime is 172544906423. The reversal of 172544906416 is 614609445271.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 172544906416.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5338435 + ... + 5370658.

It is an arithmetic number, because the mean of its divisors is an integer number (8963511678).

Almost surely, 2^172544906416 is an apocalyptic number.

172544906416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172544906416 is an abundant number, since it is smaller than the sum of its proper divisors (185995560704).

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

172544906416 is a wasteful number, since it uses less digits than its factorization.

172544906416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10709173 (or 10709167 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 172544906416 in words is "one hundred seventy-two billion, five hundred forty-four million, nine hundred six thousand, four hundred sixteen".