641313662 has 8 divisors (see below), whose sum is σ = 1049422392. Its totient is φ = 291506200.

The previous prime is 641313601. The next prime is 641313667. The reversal of 641313662 is 266313146.

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

It is a super-2 number, since 2×641313662² = 822566426135700488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641313667) 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, 14575289 + ... + 14575332.

It is an arithmetic number, because the mean of its divisors is an integer number (131177799).

Almost surely, 2^641313662 is an apocalyptic number.

641313662 is a deficient number, since it is larger than the sum of its proper divisors (408108730).

641313662 is a wasteful number, since it uses less digits than its factorization.

641313662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29150634.

The product of its digits is 15552, while the sum is 32.

The square root of 641313662 is about 25324.1714968131. The cubic root of 641313662 is about 862.3630978398.

The spelling of 641313662 in words is "six hundred forty-one million, three hundred thirteen thousand, six hundred sixty-two".