662172383894 has 8 divisors (see below), whose sum is σ = 1135152658128. Its totient is φ = 283788164520.

The previous prime is 662172383861. The next prime is 662172383897. The reversal of 662172383894 is 498383271266.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662172383897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23649013697 + ... + 23649013724.

It is an arithmetic number, because the mean of its divisors is an integer number (141894082266).

Almost surely, 2^662172383894 is an apocalyptic number.

662172383894 is a deficient number, since it is larger than the sum of its proper divisors (472980274234).

662172383894 is a wasteful number, since it uses less digits than its factorization.

662172383894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47298027430.

The product of its digits is 20901888, while the sum is 59.

The spelling of 662172383894 in words is "six hundred sixty-two billion, one hundred seventy-two million, three hundred eighty-three thousand, eight hundred ninety-four".