616961229 has 8 divisors (see below), whose sum is σ = 871004160. Its totient is φ = 387112896.

The previous prime is 616961207. The next prime is 616961231. The reversal of 616961229 is 922169616.

It is a happy number.

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

It is not a de Polignac number, because 616961229 - 2¹¹ = 616959181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616961239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6048589 + ... + 6048690.

It is an arithmetic number, because the mean of its divisors is an integer number (108875520).

Almost surely, 2^616961229 is an apocalyptic number.

It is an amenable number.

616961229 is a deficient number, since it is larger than the sum of its proper divisors (254042931).

616961229 is a wasteful number, since it uses less digits than its factorization.

616961229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097299.

The product of its digits is 69984, while the sum is 42.

The square root of 616961229 is about 24838.7042536442. The cubic root of 616961229 is about 851.3065162440.

The spelling of 616961229 in words is "six hundred sixteen million, nine hundred sixty-one thousand, two hundred twenty-nine".