616249085 has 16 divisors (see below), whose sum is σ = 749371392. Its totient is φ = 486460800.

The previous prime is 616249079. The next prime is 616249087. The reversal of 616249085 is 580942616.

It is a happy number.

It is not a de Polignac number, because 616249085 - 2⁴ = 616249069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616249087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118745 + ... + 123825.

It is an arithmetic number, because the mean of its divisors is an integer number (46835712).

Almost surely, 2^616249085 is an apocalyptic number.

It is an amenable number.

616249085 is a deficient number, since it is larger than the sum of its proper divisors (133122307).

616249085 is a wasteful number, since it uses less digits than its factorization.

616249085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 616249085 is about 24824.3647451450. The cubic root of 616249085 is about 850.9788423643.

The spelling of 616249085 in words is "six hundred sixteen million, two hundred forty-nine thousand, eighty-five".