616266121 has 8 divisors (see below), whose sum is σ = 664524000. Its totient is φ = 569590560.

The previous prime is 616266113. The next prime is 616266149. The reversal of 616266121 is 121662616.

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 616266121 - 2³ = 616266113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616266181) 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, 394771 + ... + 396328.

It is an arithmetic number, because the mean of its divisors is an integer number (83065500).

Almost surely, 2^616266121 is an apocalyptic number.

It is an amenable number.

616266121 is a deficient number, since it is larger than the sum of its proper divisors (48257879).

616266121 is a wasteful number, since it uses less digits than its factorization.

616266121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791159.

The product of its digits is 5184, while the sum is 31.

The square root of 616266121 is about 24824.7078734071. The cubic root of 616266121 is about 850.9866839673.

The spelling of 616266121 in words is "six hundred sixteen million, two hundred sixty-six thousand, one hundred twenty-one".