164189462 has 4 divisors (see below), whose sum is σ = 246284196. Its totient is φ = 82094730.

The previous prime is 164189447. The next prime is 164189477. The reversal of 164189462 is 264981461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 264981461 = 683 ⋅387967.

It is an interprime number because it is at equal distance from previous prime (164189447) and next prime (164189477).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 41047364 + ... + 41047367.

It is an arithmetic number, because the mean of its divisors is an integer number (61571049).

Almost surely, 2^164189462 is an apocalyptic number.

164189462 is a deficient number, since it is larger than the sum of its proper divisors (82094734).

164189462 is an equidigital number, since it uses as much as digits as its factorization.

164189462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82094733.

The product of its digits is 82944, while the sum is 41.

The square root of 164189462 is about 12813.6435879885. The cubic root of 164189462 is about 547.5810706802.

The spelling of 164189462 in words is "one hundred sixty-four million, one hundred eighty-nine thousand, four hundred sixty-two".