164461405 has 8 divisors (see below), whose sum is σ = 197558784. Its totient is φ = 131432400.

The previous prime is 164461391. The next prime is 164461421. The reversal of 164461405 is 504164461.

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

It is not a de Polignac number, because 164461405 - 2¹¹ = 164459357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11641 + ... + 21550.

It is an arithmetic number, because the mean of its divisors is an integer number (24694848).

Almost surely, 2^164461405 is an apocalyptic number.

It is an amenable number.

164461405 is a deficient number, since it is larger than the sum of its proper divisors (33097379).

164461405 is an equidigital number, since it uses as much as digits as its factorization.

164461405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34187.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 164461405 is about 12824.2506603700. The cubic root of 164461405 is about 547.8832189837.

The spelling of 164461405 in words is "one hundred sixty-four million, four hundred sixty-one thousand, four hundred five".