1070669666 has 32 divisors (see below), whose sum is σ = 1809995328. Its totient is φ = 470715840.

The previous prime is 1070669641. The next prime is 1070669669. The reversal of 1070669666 is 6669660701.

It is a super-2 number, since 2×1070669666² = 2292667067385103112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1070669666.

It is not an unprimeable number, because it can be changed into a prime (1070669669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137021 + ... + 144623.

It is an arithmetic number, because the mean of its divisors is an integer number (56562354).

Almost surely, 2^1070669666 is an apocalyptic number.

1070669666 is a deficient number, since it is larger than the sum of its proper divisors (739325662).

1070669666 is a wasteful number, since it uses less digits than its factorization.

1070669666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 1070669666 is about 32721.0890099948. The cubic root of 1070669666 is about 1023.0224543714.

The spelling of 1070669666 in words is "one billion, seventy million, six hundred sixty-nine thousand, six hundred sixty-six".