616198201 has 4 divisors (see below), whose sum is σ = 652445172. Its totient is φ = 579951232.

The previous prime is 616198157. The next prime is 616198207. The reversal of 616198201 is 102891616.

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

It can be written as a sum of positive squares in 2 ways, for example, as 534765625 + 81432576 = 23125^2 + 9024^2 .

It is a cyclic number.

It is not a de Polignac number, because 616198201 - 2⁹ = 616197689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616198207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18123460 + ... + 18123493.

It is an arithmetic number, because the mean of its divisors is an integer number (163111293).

Almost surely, 2^616198201 is an apocalyptic number.

It is an amenable number.

616198201 is a deficient number, since it is larger than the sum of its proper divisors (36246971).

616198201 is a wasteful number, since it uses less digits than its factorization.

616198201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36246970.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 616198201 is about 24823.3398437841. The cubic root of 616198201 is about 850.9554198012.

The spelling of 616198201 in words is "six hundred sixteen million, one hundred ninety-eight thousand, two hundred one".