2641660454 has 16 divisors (see below), whose sum is σ = 4069567440. Its totient is φ = 1285581600.

The previous prime is 2641660403. The next prime is 2641660471. The reversal of 2641660454 is 4540661462.

It is a super-2 number, since 2×2641660454² = 13956739908454972232, which contains 22 as substring.

It is a congruent number.

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, 98909 + ... + 122744.

It is an arithmetic number, because the mean of its divisors is an integer number (254347965).

Almost surely, 2^2641660454 is an apocalyptic number.

2641660454 is a deficient number, since it is larger than the sum of its proper divisors (1427906986).

2641660454 is a wasteful number, since it uses less digits than its factorization.

2641660454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221815.

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 2641660454 is about 51397.0860458061. The cubic root of 2641660454 is about 1382.3743438578.

The spelling of 2641660454 in words is "two billion, six hundred forty-one million, six hundred sixty thousand, four hundred fifty-four".