118443420170 has 32 divisors (see below), whose sum is σ = 225756451728. Its totient is φ = 44587061248.

The previous prime is 118443420133. The next prime is 118443420181. The reversal of 118443420170 is 71024344811.

It can be written as a sum of positive squares in 8 ways, for example, as 97845716809 + 20597703361 = 312803^2 + 143519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 118443420170.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3966014 + ... + 3995766.

Almost surely, 2^118443420170 is an apocalyptic number.

118443420170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118443420170 is a deficient number, since it is larger than the sum of its proper divisors (107313031558).

118443420170 is a wasteful number, since it uses less digits than its factorization.

118443420170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53194.

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 118443420170 its reverse (71024344811), we get a palindrome (189467764981).

The spelling of 118443420170 in words is "one hundred eighteen billion, four hundred forty-three million, four hundred twenty thousand, one hundred seventy".