616545166 has 8 divisors (see below), whose sum is σ = 928892520. Its totient is φ = 306914328.

The previous prime is 616545157. The next prime is 616545179. The reversal of 616545166 is 661545616.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 678561 + ... + 679468.

It is an arithmetic number, because the mean of its divisors is an integer number (116111565).

Almost surely, 2^616545166 is an apocalyptic number.

616545166 is a deficient number, since it is larger than the sum of its proper divisors (312347354).

616545166 is a wasteful number, since it uses less digits than its factorization.

616545166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358258.

The product of its digits is 129600, while the sum is 40.

The square root of 616545166 is about 24830.3275451614. The cubic root of 616545166 is about 851.1151067049.

The spelling of 616545166 in words is "six hundred sixteen million, five hundred forty-five thousand, one hundred sixty-six".