641124644023466 has 8 divisors (see below), whose sum is σ = 966568625761860. Its totient is φ = 318935102102848.

The previous prime is 641124644023441. The next prime is 641124644023483. The reversal of 641124644023466 is 664320446421146.

It can be written as a sum of positive squares in 2 ways, for example, as 592921769500225 + 48202874523241 = 24349985^2 + 6942829^2 .

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

It is a super-2 number, since 2×641124644023466² (a number of 30 digits) contains 22 as substring.

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, 813609953951 + ... + 813609954738.

Almost surely, 2^{641124644023466} is an apocalyptic number.

641124644023466 is a deficient number, since it is larger than the sum of its proper divisors (325443981738394).

641124644023466 is a wasteful number, since it uses less digits than its factorization.

641124644023466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627219908888.

The product of its (nonzero) digits is 15925248, while the sum is 53.

The spelling of 641124644023466 in words is "six hundred forty-one trillion, one hundred twenty-four billion, six hundred forty-four million, twenty-three thousand, four hundred sixty-six".