172274161922707 has 4 divisors (see below), whose sum is σ = 185526020532160. Its totient is φ = 159022303313256.

The previous prime is 172274161922689. The next prime is 172274161922741. The reversal of 172274161922707 is 707229161472271.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172274161922707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172274161926707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6625929304707 + ... + 6625929304732.

It is an arithmetic number, because the mean of its divisors is an integer number (46381505133040).

Almost surely, 2^{172274161922707} is an apocalyptic number.

172274161922707 is a deficient number, since it is larger than the sum of its proper divisors (13251858609453).

172274161922707 is a wasteful number, since it uses less digits than its factorization.

172274161922707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13251858609452.

The product of its (nonzero) digits is 8297856, while the sum is 58.

The spelling of 172274161922707 in words is "one hundred seventy-two trillion, two hundred seventy-four billion, one hundred sixty-one million, nine hundred twenty-two thousand, seven hundred seven".