16610857204 has 12 divisors (see below), whose sum is σ = 29070159300. Its totient is φ = 8305097408.

The previous prime is 16610857201. The next prime is 16610857229. The reversal of 16610857204 is 40275801661.

It can be written as a sum of positive squares in 2 ways, for example, as 15762300304 + 848556900 = 125548^2 + 29130^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16610857201) 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, 55842 + ... + 190630.

It is an arithmetic number, because the mean of its divisors is an integer number (2422513275).

Almost surely, 2^16610857204 is an apocalyptic number.

It is an amenable number.

16610857204 is a deficient number, since it is larger than the sum of its proper divisors (12459302096).

16610857204 is a wasteful number, since it uses less digits than its factorization.

16610857204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165602 (or 165600 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 16610857204 in words is "sixteen billion, six hundred ten million, eight hundred fifty-seven thousand, two hundred four".