1070696666 has 8 divisors (see below), whose sum is σ = 1729586964. Its totient is φ = 494167680.

The previous prime is 1070696663. The next prime is 1070696681. The reversal of 1070696666 is 6666960701.

It can be written as a sum of positive squares in 2 ways, for example, as 859721041 + 210975625 = 29321^2 + 14525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1070696666² = 2292782701167031112, 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 1070696666.

It is not an unprimeable number, because it can be changed into a prime (1070696663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20590295 + ... + 20590346.

Almost surely, 2^1070696666 is an apocalyptic number.

1070696666 is a deficient number, since it is larger than the sum of its proper divisors (658890298).

1070696666 is a wasteful number, since it uses less digits than its factorization.

1070696666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41180656.

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

The square root of 1070696666 is about 32721.5015853490. The cubic root of 1070696666 is about 1023.0310537789.

The spelling of 1070696666 in words is "one billion, seventy million, six hundred ninety-six thousand, six hundred sixty-six".