172215240962 has 6 divisors (see below), whose sum is σ = 258323741769. Its totient is φ = 86107327040.

The previous prime is 172215240949. The next prime is 172215240997. The reversal of 172215240962 is 269042512271.

It can be written as a sum of positive squares in 2 ways, for example, as 171867455761 + 347785201 = 414569^2 + 18649^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=293441.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 440162 + ... + 733602.

Almost surely, 2^172215240962 is an apocalyptic number.

172215240962 is a deficient number, since it is larger than the sum of its proper divisors (86108500807).

172215240962 is an frugal number, since it uses more digits than its factorization.

172215240962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586884 (or 293443 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 172215240962 in words is "one hundred seventy-two billion, two hundred fifteen million, two hundred forty thousand, nine hundred sixty-two".