2970909666 has 24 divisors (see below), whose sum is σ = 6463689804. Its totient is φ = 986192640.

The previous prime is 2970909653. The next prime is 2970909671. The reversal of 2970909666 is 6669090792.

It is a happy number.

2970909666 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2522952441 + 447957225 = 50229^2 + 21165^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338091 + ... + 346766.

Almost surely, 2^2970909666 is an apocalyptic number.

2970909666 is an abundant number, since it is smaller than the sum of its proper divisors (3492780138).

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

2970909666 is a wasteful number, since it uses less digits than its factorization.

2970909666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685106 (or 685103 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 54.

The square root of 2970909666 is about 54506.0516456659. The cubic root of 2970909666 is about 1437.5726960690.

The spelling of 2970909666 in words is "two billion, nine hundred seventy million, nine hundred nine thousand, six hundred sixty-six".