172992649351 has 8 divisors (see below), whose sum is σ = 184916852064. Its totient is φ = 161435345280.

The previous prime is 172992649327. The next prime is 172992649381. The reversal of 172992649351 is 153946299271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172992649351 - 2⁷ = 172992649223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172992649381) 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, 91723686 + ... + 91725571.

It is an arithmetic number, because the mean of its divisors is an integer number (23114606508).

Almost surely, 2^172992649351 is an apocalyptic number.

172992649351 is a deficient number, since it is larger than the sum of its proper divisors (11924202713).

172992649351 is a wasteful number, since it uses less digits than its factorization.

172992649351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183449321.

The product of its digits is 7348320, while the sum is 58.

The spelling of 172992649351 in words is "one hundred seventy-two billion, nine hundred ninety-two million, six hundred forty-nine thousand, three hundred fifty-one".