549616657201 has 8 divisors (see below), whose sum is σ = 552782983424. Its totient is φ = 546456596400.

The previous prime is 549616657157. The next prime is 549616657207. The reversal of 549616657201 is 102756616945.

It is a happy number.

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 549616657201 - 2²³ = 549608268593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549616657207) 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, 1390350 + ... + 1741351.

It is an arithmetic number, because the mean of its divisors is an integer number (69097872928).

Almost surely, 2^549616657201 is an apocalyptic number.

It is an amenable number.

549616657201 is a deficient number, since it is larger than the sum of its proper divisors (3166326223).

549616657201 is a wasteful number, since it uses less digits than its factorization.

549616657201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132711.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 549616657201 in words is "five hundred forty-nine billion, six hundred sixteen million, six hundred fifty-seven thousand, two hundred one".