616072117 has 2 divisors, whose sum is σ = 616072118. Its totient is φ = 616072116.

The previous prime is 616072111. The next prime is 616072133. The reversal of 616072117 is 711270616.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 440748036 + 175324081 = 20994^2 + 13241^2 .

It is a cyclic number.

It is not a de Polignac number, because 616072117 - 2¹⁵ = 616039349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616072111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308036058 + 308036059.

It is an arithmetic number, because the mean of its divisors is an integer number (308036059).

Almost surely, 2^616072117 is an apocalyptic number.

It is an amenable number.

616072117 is a deficient number, since it is larger than the sum of its proper divisors (1).

616072117 is an equidigital number, since it uses as much as digits as its factorization.

616072117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 616072117 is about 24820.8000878296. The cubic root of 616072117 is about 850.8973761491.

The spelling of 616072117 in words is "six hundred sixteen million, seventy-two thousand, one hundred seventeen".