616506147 has 10 divisors (see below), whose sum is σ = 920953748. Its totient is φ = 411004044.

The previous prime is 616506119. The next prime is 616506151. The reversal of 616506147 is 741605616.

616506147 is a `hidden beast` number, since 6 + 1 + 6 + 506 + 147 = 666.

616506147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 616506147 - 2⁷ = 616506019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616506347) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3805513 + ... + 3805674.

Almost surely, 2^616506147 is an apocalyptic number.

616506147 is a deficient number, since it is larger than the sum of its proper divisors (304447601).

616506147 is an equidigital number, since it uses as much as digits as its factorization.

616506147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7611199 (or 7611190 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 616506147 is about 24829.5418201786. The cubic root of 616506147 is about 851.0971516208.

The spelling of 616506147 in words is "six hundred sixteen million, five hundred six thousand, one hundred forty-seven".