662031632045 has 32 divisors (see below), whose sum is σ = 921590073600. Its totient is φ = 447135676416.

The previous prime is 662031632011. The next prime is 662031632051. The reversal of 662031632045 is 540236130266.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 662031632045 - 2²⁰ = 662030583469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37673021 + ... + 37690589.

It is an arithmetic number, because the mean of its divisors is an integer number (28799689800).

Almost surely, 2^662031632045 is an apocalyptic number.

It is an amenable number.

662031632045 is a deficient number, since it is larger than the sum of its proper divisors (259558441555).

662031632045 is a wasteful number, since it uses less digits than its factorization.

662031632045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33717.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 662031632045 in words is "six hundred sixty-two billion, thirty-one million, six hundred thirty-two thousand, forty-five".