2641611620 has 24 divisors (see below), whose sum is σ = 5552345400. Its totient is φ = 1055699712.

The previous prime is 2641611611. The next prime is 2641611631. The reversal of 2641611620 is 261161462.

It can be written as a sum of positive squares in 4 ways, for example, as 510127396 + 2131484224 = 22586^2 + 46168^2 .

It is a super-2 number, since 2×2641611620² = 13956223901838048800, which 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, 35915 + ... + 81074.

It is an arithmetic number, because the mean of its divisors is an integer number (231347725).

Almost surely, 2^2641611620 is an apocalyptic number.

2641611620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2641611620 is an abundant number, since it is smaller than the sum of its proper divisors (2910733780).

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

2641611620 is a wasteful number, since it uses less digits than its factorization.

2641611620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118127 (or 118125 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2641611620 is about 51396.6109777678. The cubic root of 2641611620 is about 1382.3658255684.

The spelling of 2641611620 in words is "two billion, six hundred forty-one million, six hundred eleven thousand, six hundred twenty".