918365738194 has 16 divisors (see below), whose sum is σ = 1401388661880. Its totient is φ = 451280954880.

The previous prime is 918365738189. The next prime is 918365738219. The reversal of 918365738194 is 491837563819.

It can be written as a sum of positive squares in 4 ways, for example, as 810876837169 + 107488901025 = 900487^2 + 327855^2 .

It is a super-2 number, since 2×918365738194² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11151459 + ... + 11233510.

Almost surely, 2^918365738194 is an apocalyptic number.

918365738194 is a deficient number, since it is larger than the sum of its proper divisors (483022923686).

918365738194 is a wasteful number, since it uses less digits than its factorization.

918365738194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22385325.

The product of its digits is 39191040, while the sum is 64.

The spelling of 918365738194 in words is "nine hundred eighteen billion, three hundred sixty-five million, seven hundred thirty-eight thousand, one hundred ninety-four".