549616657199 has 16 divisors (see below), whose sum is σ = 556374929760. Its totient is φ = 542894069760.

The previous prime is 549616657157. The next prime is 549616657207. The reversal of 549616657199 is 991756616945.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549616657199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549616650199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59820884 + ... + 59830070.

It is an arithmetic number, because the mean of its divisors is an integer number (34773433110).

Almost surely, 2^549616657199 is an apocalyptic number.

549616657199 is a deficient number, since it is larger than the sum of its proper divisors (6758272561).

549616657199 is a wasteful number, since it uses less digits than its factorization.

549616657199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11050.

The product of its digits is 110224800, while the sum is 68.

The spelling of 549616657199 in words is "five hundred forty-nine billion, six hundred sixteen million, six hundred fifty-seven thousand, one hundred ninety-nine".