2541331660 has 48 divisors (see below), whose sum is σ = 6105415680. Its totient is φ = 870425280.

The previous prime is 2541331657. The next prime is 2541331673. The reversal of 2541331660 is 661331452.

It is a super-2 number, since 2×2541331660² = 12916733212236711200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136725 + ... + 154195.

It is an arithmetic number, because the mean of its divisors is an integer number (127196160).

Almost surely, 2^2541331660 is an apocalyptic number.

2541331660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2541331660 is an abundant number, since it is smaller than the sum of its proper divisors (3564084020).

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

2541331660 is a wasteful number, since it uses less digits than its factorization.

2541331660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18526 (or 18524 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2541331660 is about 50411.6222710597. The cubic root of 2541331660 is about 1364.6473902145.

The spelling of 2541331660 in words is "two billion, five hundred forty-one million, three hundred thirty-one thousand, six hundred sixty".