421164158 has 8 divisors (see below), whose sum is σ = 653530680. Its totient is φ = 203320600.

The previous prime is 421164113. The next prime is 421164169. The reversal of 421164158 is 851461124.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630668 + ... + 3630783.

It is an arithmetic number, because the mean of its divisors is an integer number (81691335).

Almost surely, 2^421164158 is an apocalyptic number.

421164158 is a deficient number, since it is larger than the sum of its proper divisors (232366522).

421164158 is a wasteful number, since it uses less digits than its factorization.

421164158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7261482.

The product of its digits is 7680, while the sum is 32.

The square root of 421164158 is about 20522.2844244982. The cubic root of 421164158 is about 749.5785234841.

The spelling of 421164158 in words is "four hundred twenty-one million, one hundred sixty-four thousand, one hundred fifty-eight".