121662163 has 8 divisors (see below), whose sum is σ = 143837280. Its totient is φ = 100685760.

The previous prime is 121662143. The next prime is 121662209. The reversal of 121662163 is 361266121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-121662163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121662143) 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, 299458 + ... + 299863.

It is an arithmetic number, because the mean of its divisors is an integer number (17979660).

Almost surely, 2^121662163 is an apocalyptic number.

121662163 is a deficient number, since it is larger than the sum of its proper divisors (22175117).

121662163 is an equidigital number, since it uses as much as digits as its factorization.

121662163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599357.

The product of its digits is 2592, while the sum is 28.

The square root of 121662163 is about 11030.0572527979. The cubic root of 121662163 is about 495.5093393455.

The spelling of 121662163 in words is "one hundred twenty-one million, six hundred sixty-two thousand, one hundred sixty-three".