172212366486 has 16 divisors (see below), whose sum is σ = 344433509568. Its totient is φ = 57402659400.

The previous prime is 172212366463. The next prime is 172212366493. The reversal of 172212366486 is 684663212271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95220 + ... + 594551.

It is an arithmetic number, because the mean of its divisors is an integer number (21527094348).

Almost surely, 2^172212366486 is an apocalyptic number.

172212366486 is an abundant number, since it is smaller than the sum of its proper divisors (172221143082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172212366486 is a wasteful number, since it uses less digits than its factorization.

172212366486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731387.

The product of its digits is 1161216, while the sum is 48.

The spelling of 172212366486 in words is "one hundred seventy-two billion, two hundred twelve million, three hundred sixty-six thousand, four hundred eighty-six".