1066702894 has 16 divisors (see below), whose sum is σ = 1612130688. Its totient is φ = 529339392.

The previous prime is 1066702841. The next prime is 1066702957. The reversal of 1066702894 is 4982076601.

It is a super-2 number, since 2×1066702894² = 2275710128135950472, 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 1066702894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173379 + ... + 179425.

It is an arithmetic number, because the mean of its divisors is an integer number (100758168).

Almost surely, 2^1066702894 is an apocalyptic number.

1066702894 is a deficient number, since it is larger than the sum of its proper divisors (545427794).

1066702894 is a wasteful number, since it uses less digits than its factorization.

1066702894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1066702894 is about 32660.4178479088. The cubic root of 1066702894 is about 1021.7574769551.

The spelling of 1066702894 in words is "one billion, sixty-six million, seven hundred two thousand, eight hundred ninety-four".