172138226710 has 32 divisors (see below), whose sum is σ = 316448868960. Its totient is φ = 67394815488.

The previous prime is 172138226699. The next prime is 172138226719. The reversal of 172138226710 is 17622831271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172138226719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165507 + ... + 609646.

It is an arithmetic number, because the mean of its divisors is an integer number (9889027155).

Almost surely, 2^172138226710 is an apocalyptic number.

172138226710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172138226710 is a deficient number, since it is larger than the sum of its proper divisors (144310642250).

172138226710 is a wasteful number, since it uses less digits than its factorization.

172138226710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775632.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 172138226710 in words is "one hundred seventy-two billion, one hundred thirty-eight million, two hundred twenty-six thousand, seven hundred ten".