5285913661 has 16 divisors (see below), whose sum is σ = 6218928000. Its totient is φ = 4490654784.

The previous prime is 5285913641. The next prime is 5285913739. The reversal of 5285913661 is 1663195825.

It is not a de Polignac number, because 5285913661 - 2⁵ = 5285913629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285913641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29431 + ... + 106948.

It is an arithmetic number, because the mean of its divisors is an integer number (388683000).

Almost surely, 2^5285913661 is an apocalyptic number.

It is an amenable number.

5285913661 is a deficient number, since it is larger than the sum of its proper divisors (933014339).

5285913661 is a wasteful number, since it uses less digits than its factorization.

5285913661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136513 (or 136499 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 5285913661 is about 72704.2891513286. The cubic root of 5285913661 is about 1741.9673942664.

The spelling of 5285913661 in words is "five billion, two hundred eighty-five million, nine hundred thirteen thousand, six hundred sixty-one".