2666696275 has 12 divisors (see below), whose sum is σ = 3320546400. Its totient is φ = 2124426080.

The previous prime is 2666696273. The next prime is 2666696287. The reversal of 2666696275 is 5726966662.

It is not a de Polignac number, because 2666696275 - 2¹ = 2666696273 is a prime.

It is a super-2 number, since 2×2666696275² = 14222538046197751250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666696273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217180 + ... + 229129.

It is an arithmetic number, because the mean of its divisors is an integer number (276712200).

Almost surely, 2^2666696275 is an apocalyptic number.

2666696275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2666696275 is a deficient number, since it is larger than the sum of its proper divisors (653850125).

2666696275 is a wasteful number, since it uses less digits than its factorization.

2666696275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446558 (or 446553 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 55.

The square root of 2666696275 is about 51640.0646300912. The cubic root of 2666696275 is about 1386.7276810002.

The spelling of 2666696275 in words is "two billion, six hundred sixty-six million, six hundred ninety-six thousand, two hundred seventy-five".