2661674285 has 16 divisors (see below), whose sum is σ = 3275339760. Its totient is φ = 2075228160.

The previous prime is 2661674263. The next prime is 2661674293. The reversal of 2661674285 is 5824761662.

It can be written as a sum of positive squares in 8 ways, for example, as 223981156 + 2437693129 = 14966^2 + 49373^2 .

It is not a de Polignac number, because 2661674285 - 2⁶ = 2661674221 is a prime.

It is a super-2 number, since 2×2661674285² = 14169019998860522450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205481 + ... + 218049.

It is an arithmetic number, because the mean of its divisors is an integer number (204708735).

Almost surely, 2^2661674285 is an apocalyptic number.

It is an amenable number.

2661674285 is a deficient number, since it is larger than the sum of its proper divisors (613665475).

2661674285 is a wasteful number, since it uses less digits than its factorization.

2661674285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13648.

The product of its digits is 967680, while the sum is 47.

The square root of 2661674285 is about 51591.4167764368. The cubic root of 2661674285 is about 1385.8566270712.

The spelling of 2661674285 in words is "two billion, six hundred sixty-one million, six hundred seventy-four thousand, two hundred eighty-five".