2661255346 has 8 divisors (see below), whose sum is σ = 3994955244. Its totient is φ = 1329603600.

The previous prime is 2661255329. The next prime is 2661255353. The reversal of 2661255346 is 6435521662.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2625435121 + 35820225 = 51239^2 + 5985^2 .

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

It is a super-2 number, since 2×2661255346² = 14164560033227159432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2661255299 and 2661255308.

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, 508785 + ... + 513988.

Almost surely, 2^2661255346 is an apocalyptic number.

2661255346 is a deficient number, since it is larger than the sum of its proper divisors (1333699898).

2661255346 is a wasteful number, since it uses less digits than its factorization.

2661255346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024076.

The product of its digits is 259200, while the sum is 40.

The square root of 2661255346 is about 51587.3564548524. The cubic root of 2661255346 is about 1385.7839134593.

The spelling of 2661255346 in words is "two billion, six hundred sixty-one million, two hundred fifty-five thousand, three hundred forty-six".