641670152722 has 8 divisors (see below), whose sum is σ = 962510273136. Its totient is φ = 320833395012.

The previous prime is 641670152707. The next prime is 641670152807. The reversal of 641670152722 is 227251076146.

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

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, 292008 + ... + 1169875.

It is an arithmetic number, because the mean of its divisors is an integer number (120313784142).

Almost surely, 2^641670152722 is an apocalyptic number.

641670152722 is a deficient number, since it is larger than the sum of its proper divisors (320840120414).

641670152722 is a wasteful number, since it uses less digits than its factorization.

641670152722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681352.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 641670152722 in words is "six hundred forty-one billion, six hundred seventy million, one hundred fifty-two thousand, seven hundred twenty-two".