694161212 has 24 divisors (see below), whose sum is σ = 1263429552. Its totient is φ = 333446400.

The previous prime is 694161203. The next prime is 694161227. The reversal of 694161212 is 212161496.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22589 + ... + 43572.

It is an arithmetic number, because the mean of its divisors is an integer number (52642898).

Almost surely, 2^694161212 is an apocalyptic number.

It is an amenable number.

694161212 is a deficient number, since it is larger than the sum of its proper divisors (569268340).

694161212 is a wasteful number, since it uses less digits than its factorization.

694161212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66269 (or 66267 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 694161212 is about 26346.9393288860. The cubic root of 694161212 is about 885.4283995274.

The spelling of 694161212 in words is "six hundred ninety-four million, one hundred sixty-one thousand, two hundred twelve".