616240255 has 8 divisors (see below), whose sum is σ = 739621872. Its totient is φ = 492903168.

The previous prime is 616240241. The next prime is 616240271. The reversal of 616240255 is 552042616.

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 616240255 - 2¹⁷ = 616109183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45724 + ... + 57646.

It is an arithmetic number, because the mean of its divisors is an integer number (92452734).

Almost surely, 2^616240255 is an apocalyptic number.

616240255 is a deficient number, since it is larger than the sum of its proper divisors (123381617).

616240255 is a wasteful number, since it uses less digits than its factorization.

616240255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22265.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 616240255 is about 24824.1868950425. The cubic root of 616240255 is about 850.9747778936.

The spelling of 616240255 in words is "six hundred sixteen million, two hundred forty thousand, two hundred fifty-five".