618160201 has 8 divisors (see below), whose sum is σ = 640053000. Its totient is φ = 596305920.

The previous prime is 618160199. The next prime is 618160223. The reversal of 618160201 is 102061816.

It can be written as a sum of positive squares in 4 ways, for example, as 353252025 + 264908176 = 18795^2 + 16276^2 .

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 618160201 - 2¹ = 618160199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (618166201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25225 + ... + 43273.

It is an arithmetic number, because the mean of its divisors is an integer number (80006625).

Almost surely, 2^618160201 is an apocalyptic number.

It is an amenable number.

618160201 is a deficient number, since it is larger than the sum of its proper divisors (21892799).

618160201 is a wasteful number, since it uses less digits than its factorization.

618160201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19259.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 618160201 is about 24862.8276951758. The cubic root of 618160201 is about 851.8576217557.

The spelling of 618160201 in words is "six hundred eighteen million, one hundred sixty thousand, two hundred one".