2660651026 has 16 divisors (see below), whose sum is σ = 4355241408. Its totient is φ = 1208984400.

The previous prime is 2660650991. The next prime is 2660651041. The reversal of 2660651026 is 6201560662.

It is a junction number, because it is equal to n+sod(n) for n = 2660650982 and 2660651000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53476 + ... + 90448.

It is an arithmetic number, because the mean of its divisors is an integer number (272202588).

Almost surely, 2^2660651026 is an apocalyptic number.

2660651026 is a deficient number, since it is larger than the sum of its proper divisors (1694590382).

2660651026 is a wasteful number, since it uses less digits than its factorization.

2660651026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40257.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 2660651026 is about 51581.4988731425. The cubic root of 2660651026 is about 1385.6790105440.

The spelling of 2660651026 in words is "two billion, six hundred sixty million, six hundred fifty-one thousand, twenty-six".