1609785052 has 12 divisors (see below), whose sum is σ = 2817525816. Its totient is φ = 804777680.

The previous prime is 1609785049. The next prime is 1609785101. The reversal of 1609785052 is 2505879061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8058 + ... + 57310.

It is an arithmetic number, because the mean of its divisors is an integer number (234793818).

Almost surely, 2^1609785052 is an apocalyptic number.

It is an amenable number.

1609785052 is a deficient number, since it is larger than the sum of its proper divisors (1207740764).

1609785052 is a wasteful number, since it uses less digits than its factorization.

1609785052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57428 (or 57426 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 1609785052 is about 40122.1267133237. The cubic root of 1609785052 is about 1171.9865566684.

The spelling of 1609785052 in words is "one billion, six hundred nine million, seven hundred eighty-five thousand, fifty-two".