118463491 has 8 divisors (see below), whose sum is σ = 119306304. Its totient is φ = 117624000.

The previous prime is 118463483. The next prime is 118463503. The reversal of 118463491 is 194364811.

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 118463491 - 2³ = 118463483 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 118463491.

It is not an unprimeable number, because it can be changed into a prime (118463291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157366 + ... + 158116.

It is an arithmetic number, because the mean of its divisors is an integer number (14913288).

Almost surely, 2^118463491 is an apocalyptic number.

118463491 is a deficient number, since it is larger than the sum of its proper divisors (842813).

118463491 is an equidigital number, since it uses as much as digits as its factorization.

118463491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661.

The product of its digits is 20736, while the sum is 37.

The square root of 118463491 is about 10884.0934854493. The cubic root of 118463491 is about 491.1281668835.

The spelling of 118463491 in words is "one hundred eighteen million, four hundred sixty-three thousand, four hundred ninety-one".