4628661615 has 48 divisors (see below), whose sum is σ = 8317071360. Its totient is φ = 2378819520.

The previous prime is 4628661613. The next prime is 4628661623. The reversal of 4628661615 is 5161668264.

4628661615 is a `hidden beast` number, since 4 + 6 + 28 + 6 + 6 + 1 + 615 = 666.

4628661615 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4628661615 - 2¹ = 4628661613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4628661613) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 326464 + ... + 340346.

It is an arithmetic number, because the mean of its divisors is an integer number (173272320).

Almost surely, 2^4628661615 is an apocalyptic number.

4628661615 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4628661615 is a deficient number, since it is larger than the sum of its proper divisors (3688409745).

4628661615 is a wasteful number, since it uses less digits than its factorization.

4628661615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14164 (or 14161 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 4628661615 is about 68034.2679463813. The cubic root of 4628661615 is about 1666.5504968140.

It can be divided in two parts, 46286616 and 15, that added together give a triangular number (46286631 = T₉₆₂₁).

The spelling of 4628661615 in words is "four billion, six hundred twenty-eight million, six hundred sixty-one thousand, six hundred fifteen".