5185155616 has 12 divisors (see below), whose sum is σ = 10208275182. Its totient is φ = 2592577792.

The previous prime is 5185155589. The next prime is 5185155623. The reversal of 5185155616 is 6165515815.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4172643216 + 1012512400 = 64596^2 + 31820^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81018025 + ... + 81018088.

Almost surely, 2^5185155616 is an apocalyptic number.

It is an amenable number.

5185155616 is a deficient number, since it is larger than the sum of its proper divisors (5023119566).

5185155616 is a wasteful number, since it uses less digits than its factorization.

5185155616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162036123 (or 162036115 counting only the distinct ones).

The product of its digits is 180000, while the sum is 43.

The square root of 5185155616 is about 72008.0246639220. The cubic root of 5185155616 is about 1730.8280771813.

It can be divided in two parts, 5185 and 155616, that added together give a square (160801 = 401²).

The spelling of 5185155616 in words is "five billion, one hundred eighty-five million, one hundred fifty-five thousand, six hundred sixteen".