172157002066022 has 8 divisors (see below), whose sum is σ = 258268940323176. Its totient is φ = 86067355291632.

The previous prime is 172157002066003. The next prime is 172157002066097. The reversal of 172157002066022 is 220660200751271.

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

It is a super-4 number, since 4×172157002066022⁴ (a number of 58 digits) contains 4444 as substring.

It is a congruent number.

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, 5572851383 + ... + 5572882274.

It is an arithmetic number, because the mean of its divisors is an integer number (32283617540397).

Almost surely, 2^{172157002066022} is an apocalyptic number.

172157002066022 is a deficient number, since it is larger than the sum of its proper divisors (86111938257154).

172157002066022 is a wasteful number, since it uses less digits than its factorization.

172157002066022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11145741382.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 172157002066022 in words is "one hundred seventy-two trillion, one hundred fifty-seven billion, two million, sixty-six thousand, twenty-two".