641161104045522 has 16 divisors (see below), whose sum is σ = 1282362608024832. Its totient is φ = 213713634692880.

The previous prime is 641161104045509. The next prime is 641161104045541. The reversal of 641161104045522 is 225540401161146.

It is a super-2 number, since 2×641161104045522² (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 7 ways as a sum of consecutive naturals, for example, 1683124258 + ... + 1683505149.

It is an arithmetic number, because the mean of its divisors is an integer number (80147663001552).

Almost surely, 2^{641161104045522} is an apocalyptic number.

641161104045522 is an abundant number, since it is smaller than the sum of its proper divisors (641201503979310).

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

641161104045522 is a wasteful number, since it uses less digits than its factorization.

641161104045522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366661153.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 641161104045522 in words is "six hundred forty-one trillion, one hundred sixty-one billion, one hundred four million, forty-five thousand, five hundred twenty-two".