641514717164 has 12 divisors (see below), whose sum is σ = 1129373215824. Its totient is φ = 318836655504.

The previous prime is 641514717149. The next prime is 641514717187. The reversal of 641514717164 is 461717415146.

It is a super-2 number, since 2×641514717164² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 480175019 + ... + 480176354.

It is an arithmetic number, because the mean of its divisors is an integer number (94114434652).

Almost surely, 2^641514717164 is an apocalyptic number.

It is an amenable number.

641514717164 is a deficient number, since it is larger than the sum of its proper divisors (487858498660).

641514717164 is a wasteful number, since it uses less digits than its factorization.

641514717164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960351544 (or 960351542 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The spelling of 641514717164 in words is "six hundred forty-one billion, five hundred fourteen million, seven hundred seventeen thousand, one hundred sixty-four".