694161852 has 12 divisors (see below), whose sum is σ = 1619711016. Its totient is φ = 231387280.

The previous prime is 694161803. The next prime is 694161859. The reversal of 694161852 is 258161496.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694161859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28923399 + ... + 28923422.

It is an arithmetic number, because the mean of its divisors is an integer number (134975918).

Almost surely, 2^694161852 is an apocalyptic number.

It is an amenable number.

694161852 is an abundant number, since it is smaller than the sum of its proper divisors (925549164).

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

694161852 is a wasteful number, since it uses less digits than its factorization.

694161852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57846828 (or 57846826 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 694161852 is about 26346.9514745065. The cubic root of 694161852 is about 885.4286716419.

The spelling of 694161852 in words is "six hundred ninety-four million, one hundred sixty-one thousand, eight hundred fifty-two".