618609201 has 32 divisors (see below), whose sum is σ = 994344960. Its totient is φ = 334181376.

The previous prime is 618609193. The next prime is 618609203. The reversal of 618609201 is 102906816.

It is not a de Polignac number, because 618609201 - 2³ = 618609193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (618609203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228880 + ... + 231566.

It is an arithmetic number, because the mean of its divisors is an integer number (31073280).

Almost surely, 2^618609201 is an apocalyptic number.

It is an amenable number.

618609201 is a deficient number, since it is larger than the sum of its proper divisors (375735759).

618609201 is a wasteful number, since it uses less digits than its factorization.

618609201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 618609201 is about 24871.8556002563. The cubic root of 618609201 is about 852.0638204634.

The spelling of 618609201 in words is "six hundred eighteen million, six hundred nine thousand, two hundred one".