641100266088 has 16 divisors (see below), whose sum is σ = 1602750665280. Its totient is φ = 213700088688.

The previous prime is 641100266041. The next prime is 641100266089. The reversal of 641100266088 is 880662001146.

It is a super-2 number, since 2×641100266088² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641100266089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13356255520 + ... + 13356255567.

It is an arithmetic number, because the mean of its divisors is an integer number (100171916580).

Almost surely, 2^641100266088 is an apocalyptic number.

It is an amenable number.

641100266088 is an abundant number, since it is smaller than the sum of its proper divisors (961650399192).

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

641100266088 is a wasteful number, since it uses less digits than its factorization.

641100266088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26712511096 (or 26712511092 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 641100266088 in words is "six hundred forty-one billion, one hundred million, two hundred sixty-six thousand, eighty-eight".