618163601 has 16 divisors (see below), whose sum is σ = 695520000. Its totient is φ = 544521600.

The previous prime is 618163597. The next prime is 618163603. The reversal of 618163601 is 106361816.

It is a cyclic number.

It is not a de Polignac number, because 618163601 - 2² = 618163597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (618163603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62600 + ... + 71798.

It is an arithmetic number, because the mean of its divisors is an integer number (43470000).

Almost surely, 2^618163601 is an apocalyptic number.

It is an amenable number.

618163601 is a deficient number, since it is larger than the sum of its proper divisors (77356399).

618163601 is a wasteful number, since it uses less digits than its factorization.

618163601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 618163601 is about 24862.8960702489. The cubic root of 618163601 is about 851.8591835464.

The spelling of 618163601 in words is "six hundred eighteen million, one hundred sixty-three thousand, six hundred one".