2661133582 has 8 divisors (see below), whose sum is σ = 3999363552. Its totient is φ = 1328012400.

The previous prime is 2661133571. The next prime is 2661133619. The reversal of 2661133582 is 2853311662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275894 + ... + 1277977.

It is an arithmetic number, because the mean of its divisors is an integer number (499920444).

Almost surely, 2^2661133582 is an apocalyptic number.

2661133582 is a deficient number, since it is larger than the sum of its proper divisors (1338229970).

2661133582 is a wasteful number, since it uses less digits than its factorization.

2661133582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554394.

The product of its digits is 51840, while the sum is 37.

The square root of 2661133582 is about 51586.1762684539. The cubic root of 2661133582 is about 1385.7627779244.

The spelling of 2661133582 in words is "two billion, six hundred sixty-one million, one hundred thirty-three thousand, five hundred eighty-two".