4521161564 has 12 divisors (see below), whose sum is σ = 7912569000. Its totient is φ = 2260427568.

The previous prime is 4521161537. The next prime is 4521161621. The reversal of 4521161564 is 4651611254.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51467 + ... + 108125.

It is an arithmetic number, because the mean of its divisors is an integer number (659380750).

Almost surely, 2^4521161564 is an apocalyptic number.

It is an amenable number.

4521161564 is a deficient number, since it is larger than the sum of its proper divisors (3391407436).

4521161564 is a wasteful number, since it uses less digits than its factorization.

4521161564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76612 (or 76610 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 4521161564 is about 67239.5833122128. The cubic root of 4521161564 is about 1653.5475022629.

The spelling of 4521161564 in words is "four billion, five hundred twenty-one million, one hundred sixty-one thousand, five hundred sixty-four".