2661125674 has 8 divisors (see below), whose sum is σ = 4201777440. Its totient is φ = 1260533196.

The previous prime is 2661125669. The next prime is 2661125681. The reversal of 2661125674 is 4765211662.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 35014774 + ... + 35014849.

It is an arithmetic number, because the mean of its divisors is an integer number (525222180).

Almost surely, 2^2661125674 is an apocalyptic number.

2661125674 is a deficient number, since it is larger than the sum of its proper divisors (1540651766).

2661125674 is a wasteful number, since it uses less digits than its factorization.

2661125674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70029644.

The product of its digits is 120960, while the sum is 40.

The square root of 2661125674 is about 51586.0996199558. The cubic root of 2661125674 is about 1385.7614052483.

The spelling of 2661125674 in words is "two billion, six hundred sixty-one million, one hundred twenty-five thousand, six hundred seventy-four".