172162202507146 has 8 divisors (see below), whose sum is σ = 258243388187904. Its totient is φ = 86081073111180.

The previous prime is 172162202507137. The next prime is 172162202507153. The reversal of 172162202507146 is 641705202261271.

It is a happy number.

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

It is a super-2 number, since 2×172162202507146² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 172162202507096 and 172162202507105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5340970 + ... + 19309333.

It is an arithmetic number, because the mean of its divisors is an integer number (32280423523488).

Almost surely, 2^{172162202507146} is an apocalyptic number.

172162202507146 is a deficient number, since it is larger than the sum of its proper divisors (86081185680758).

172162202507146 is a wasteful number, since it uses less digits than its factorization.

172162202507146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28142396.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 172162202507146 in words is "one hundred seventy-two trillion, one hundred sixty-two billion, two hundred two million, five hundred seven thousand, one hundred forty-six".