468164491 has 4 divisors (see below), whose sum is σ = 468207792. Its totient is φ = 468121192.

The previous prime is 468164461. The next prime is 468164497. The reversal of 468164491 is 194461864.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 468164491 - 2⁹ = 468163979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468164497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9705 + ... + 32101.

It is an arithmetic number, because the mean of its divisors is an integer number (117051948).

Almost surely, 2^468164491 is an apocalyptic number.

468164491 is a deficient number, since it is larger than the sum of its proper divisors (43301).

468164491 is a wasteful number, since it uses less digits than its factorization.

468164491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43300.

The product of its digits is 165888, while the sum is 43.

The square root of 468164491 is about 21637.1091183642. The cubic root of 468164491 is about 776.4845583790.

The spelling of 468164491 in words is "four hundred sixty-eight million, one hundred sixty-four thousand, four hundred ninety-one".