1616133164 has 12 divisors (see below), whose sum is σ = 2888408544. Its totient is φ = 790873584.

The previous prime is 1616133163. The next prime is 1616133191. The reversal of 1616133164 is 4613316161.

It is a super-2 number, since 2×1616133164² = 5223772807561301792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616133164.

It is not an unprimeable number, because it can be changed into a prime (1616133163) 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, 4298039 + ... + 4298414.

It is an arithmetic number, because the mean of its divisors is an integer number (240700712).

Almost surely, 2^1616133164 is an apocalyptic number.

It is an amenable number.

1616133164 is a deficient number, since it is larger than the sum of its proper divisors (1272275380).

1616133164 is a wasteful number, since it uses less digits than its factorization.

1616133164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8596504 (or 8596502 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 1616133164 is about 40201.1587395189. The cubic root of 1616133164 is about 1173.5250940960.

The spelling of 1616133164 in words is "one billion, six hundred sixteen million, one hundred thirty-three thousand, one hundred sixty-four".