2661458684 has 12 divisors (see below), whose sum is σ = 4765868184. Its totient is φ = 1299782064.

The previous prime is 2661458663. The next prime is 2661458689. The reversal of 2661458684 is 4868541662.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661458689) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7736627 + ... + 7736970.

It is an arithmetic number, because the mean of its divisors is an integer number (397155682).

Almost surely, 2^2661458684 is an apocalyptic number.

It is an amenable number.

2661458684 is a deficient number, since it is larger than the sum of its proper divisors (2104409500).

2661458684 is a wasteful number, since it uses less digits than its factorization.

2661458684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473644 (or 15473642 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 50.

The square root of 2661458684 is about 51589.3272295734. The cubic root of 2661458684 is about 1385.8192069977.

The spelling of 2661458684 in words is "two billion, six hundred sixty-one million, four hundred fifty-eight thousand, six hundred eighty-four".