662391732052 has 24 divisors (see below), whose sum is σ = 1210449744000. Its totient is φ = 316569539616.

The previous prime is 662391732043. The next prime is 662391732053. The reversal of 662391732052 is 250237193266.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 662391731993 and 662391732011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662391732053) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2444527 + ... + 2701942.

It is an arithmetic number, because the mean of its divisors is an integer number (50435406000).

Almost surely, 2^662391732052 is an apocalyptic number.

It is an amenable number.

662391732052 is a deficient number, since it is larger than the sum of its proper divisors (548058011948).

662391732052 is a wasteful number, since it uses less digits than its factorization.

662391732052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147895 (or 5147893 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 662391732052 in words is "six hundred sixty-two billion, three hundred ninety-one million, seven hundred thirty-two thousand, fifty-two".