662266531631 has 4 divisors (see below), whose sum is σ = 662280966312. Its totient is φ = 662252096952.

The previous prime is 662266531609. The next prime is 662266531669. The reversal of 662266531631 is 136135662266.

662266531631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 662266531631 - 2⁶ = 662266531567 is a prime.

It is a super-2 number, since 2×662266531631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662266531931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7148300 + ... + 7240353.

It is an arithmetic number, because the mean of its divisors is an integer number (165570241578).

Almost surely, 2^662266531631 is an apocalyptic number.

662266531631 is a deficient number, since it is larger than the sum of its proper divisors (14434681).

662266531631 is a wasteful number, since it uses less digits than its factorization.

662266531631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14434680.

The product of its digits is 1399680, while the sum is 47.

The spelling of 662266531631 in words is "six hundred sixty-two billion, two hundred sixty-six million, five hundred thirty-one thousand, six hundred thirty-one".