164391482 has 4 divisors (see below), whose sum is σ = 246587226. Its totient is φ = 82195740.

The previous prime is 164391473. The next prime is 164391499. The reversal of 164391482 is 284193461.

164391482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 284193461 = 31 ⋅9167531.

It can be written as a sum of positive squares in only one way, i.e., 137569441 + 26822041 = 11729^2 + 5179^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41097869 + ... + 41097872.

Almost surely, 2^164391482 is an apocalyptic number.

164391482 is a deficient number, since it is larger than the sum of its proper divisors (82195744).

164391482 is an equidigital number, since it uses as much as digits as its factorization.

164391482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82195743.

The product of its digits is 41472, while the sum is 38.

The square root of 164391482 is about 12821.5241683663. The cubic root of 164391482 is about 547.8055613130.

The spelling of 164391482 in words is "one hundred sixty-four million, three hundred ninety-one thousand, four hundred eighty-two".