1012560666 has 32 divisors (see below), whose sum is σ = 2182662720. Its totient is φ = 311305344.

The previous prime is 1012560649. The next prime is 1012560683. The reversal of 1012560666 is 6660652101.

It is an interprime number because it is at equal distance from previous prime (1012560649) and next prime (1012560683).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107245 + ... + 116303.

It is an arithmetic number, because the mean of its divisors is an integer number (68208210).

Almost surely, 2^1012560666 is an apocalyptic number.

1012560666 is an abundant number, since it is smaller than the sum of its proper divisors (1170102054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012560666 is a wasteful number, since it uses less digits than its factorization.

1012560666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10510.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1012560666 is about 31820.7584133377. The cubic root of 1012560666 is about 1004.1694799421.

The spelling of 1012560666 in words is "one billion, twelve million, five hundred sixty thousand, six hundred sixty-six".