2660662570 has 16 divisors (see below), whose sum is σ = 4800630240. Its totient is φ = 1061723344.

The previous prime is 2660662541. The next prime is 2660662577. The reversal of 2660662570 is 752660662.

It is a happy number.

It is a super-2 number, since 2×2660662570² = 14158250622798009800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2660662577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313312 + ... + 321691.

It is an arithmetic number, because the mean of its divisors is an integer number (300039390).

Almost surely, 2^2660662570 is an apocalyptic number.

2660662570 is a deficient number, since it is larger than the sum of its proper divisors (2139967670).

2660662570 is a wasteful number, since it uses less digits than its factorization.

2660662570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635429.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 2660662570 is about 51581.6107736081. The cubic root of 2660662570 is about 1385.6810145968.

The spelling of 2660662570 in words is "two billion, six hundred sixty million, six hundred sixty-two thousand, five hundred seventy".