2661814252 has 6 divisors (see below), whose sum is σ = 4658174948. Its totient is φ = 1330907124.

The previous prime is 2661814201. The next prime is 2661814261. The reversal of 2661814252 is 2524181662.

It is a super-2 number, since 2×2661814252² = 14170510224300639008, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 332726778 + ... + 332726785.

Almost surely, 2^2661814252 is an apocalyptic number.

It is an amenable number.

2661814252 is a deficient number, since it is larger than the sum of its proper divisors (1996360696).

2661814252 is a wasteful number, since it uses less digits than its factorization.

2661814252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665453567 (or 665453565 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 2661814252 is about 51592.7732536254. The cubic root of 2661814252 is about 1385.8809188983.

The spelling of 2661814252 in words is "two billion, six hundred sixty-one million, eight hundred fourteen thousand, two hundred fifty-two".