618073966 has 4 divisors (see below), whose sum is σ = 927110952. Its totient is φ = 309036982.

The previous prime is 618073961. The next prime is 618073987. The reversal of 618073966 is 669370816.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618073961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154518490 + ... + 154518493.

It is an arithmetic number, because the mean of its divisors is an integer number (231777738).

Almost surely, 2^618073966 is an apocalyptic number.

618073966 is a deficient number, since it is larger than the sum of its proper divisors (309036986).

618073966 is a wasteful number, since it uses less digits than its factorization.

618073966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309036985.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 618073966 is about 24861.0934192364. The cubic root of 618073966 is about 851.8180077753.

The spelling of 618073966 in words is "six hundred eighteen million, seventy-three thousand, nine hundred sixty-six".