641341061466 has 32 divisors (see below), whose sum is σ = 1465997781888. Its totient is φ = 183230883840.

The previous prime is 641341061461. The next prime is 641341061479. The reversal of 641341061466 is 664160143146.

It is a super-2 number, since 2×641341061466² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (641341061461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455866 + ... + 1220858.

It is an arithmetic number, because the mean of its divisors is an integer number (45812430684).

Almost surely, 2^641341061466 is an apocalyptic number.

641341061466 is an abundant number, since it is smaller than the sum of its proper divisors (824656720422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641341061466 is a wasteful number, since it uses less digits than its factorization.

641341061466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784966.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 641341061466 in words is "six hundred forty-one billion, three hundred forty-one million, sixty-one thousand, four hundred sixty-six".