641240832662 has 8 divisors (see below), whose sum is σ = 961866437736. Its totient is φ = 320618686752.

The previous prime is 641240832653. The next prime is 641240832691. The reversal of 641240832662 is 266238042146.

It is a happy number.

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

It is a super-2 number, since 2×641240832662² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336908 + ... + 1181519.

It is an arithmetic number, because the mean of its divisors is an integer number (120233304717).

Almost surely, 2^641240832662 is an apocalyptic number.

641240832662 is a deficient number, since it is larger than the sum of its proper divisors (320625605074).

641240832662 is a wasteful number, since it uses less digits than its factorization.

641240832662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729582.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 641240832662 in words is "six hundred forty-one billion, two hundred forty million, eight hundred thirty-two thousand, six hundred sixty-two".