616660147 has 8 divisors (see below), whose sum is σ = 638868240. Its totient is φ = 594515040.

The previous prime is 616660139. The next prime is 616660151. The reversal of 616660147 is 741066616.

616660147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 616660147 - 2³ = 616660139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616660547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4653 + ... + 35425.

It is an arithmetic number, because the mean of its divisors is an integer number (79858530).

Almost surely, 2^616660147 is an apocalyptic number.

616660147 is a deficient number, since it is larger than the sum of its proper divisors (22208093).

616660147 is a wasteful number, since it uses less digits than its factorization.

616660147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31493.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 616660147 is about 24832.6427711591. The cubic root of 616660147 is about 851.1680122548.

The spelling of 616660147 in words is "six hundred sixteen million, six hundred sixty thousand, one hundred forty-seven".