616667228395 has 4 divisors (see below), whose sum is σ = 740000674080. Its totient is φ = 493333782712.

The previous prime is 616667228383. The next prime is 616667228449. The reversal of 616667228395 is 593822766616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616667228395 - 2¹³ = 616667220203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61666722835 + ... + 61666722844.

It is an arithmetic number, because the mean of its divisors is an integer number (185000168520).

Almost surely, 2^616667228395 is an apocalyptic number.

616667228395 is a deficient number, since it is larger than the sum of its proper divisors (123333445685).

616667228395 is a wasteful number, since it uses less digits than its factorization.

616667228395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123333445684.

The product of its digits is 39191040, while the sum is 61.

The spelling of 616667228395 in words is "six hundred sixteen billion, six hundred sixty-seven million, two hundred twenty-eight thousand, three hundred ninety-five".