1611916652 has 12 divisors (see below), whose sum is σ = 2822179416. Its totient is φ = 805579680.

The previous prime is 1611916651. The next prime is 1611916667. The reversal of 1611916652 is 2566191161.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1611916651) 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, 84974 + ... + 102197.

It is an arithmetic number, because the mean of its divisors is an integer number (235181618).

Almost surely, 2^1611916652 is an apocalyptic number.

It is an amenable number.

1611916652 is a deficient number, since it is larger than the sum of its proper divisors (1210262764).

1611916652 is a wasteful number, since it uses less digits than its factorization.

1611916652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189328 (or 189326 counting only the distinct ones).

The product of its digits is 19440, while the sum is 38.

The square root of 1611916652 is about 40148.6818214496. The cubic root of 1611916652 is about 1172.5036246010.

The spelling of 1611916652 in words is "one billion, six hundred eleven million, nine hundred sixteen thousand, six hundred fifty-two".