5155616646 has 48 divisors (see below), whose sum is σ = 11266398000. Its totient is φ = 1703830464.

The previous prime is 5155616633. The next prime is 5155616657. The reversal of 5155616646 is 6466165515.

5155616646 is a `hidden beast` number, since 51 + 556 + 1 + 6 + 6 + 46 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1765980 + ... + 1768896.

It is an arithmetic number, because the mean of its divisors is an integer number (234716625).

Almost surely, 2^5155616646 is an apocalyptic number.

5155616646 is an abundant number, since it is smaller than the sum of its proper divisors (6110781354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5155616646 is a wasteful number, since it uses less digits than its factorization.

5155616646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733 (or 3730 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 5155616646 is about 71802.6228351026. The cubic root of 5155616646 is about 1727.5350693467.

The spelling of 5155616646 in words is "five billion, one hundred fifty-five million, six hundred sixteen thousand, six hundred forty-six".