164020622 has 4 divisors (see below), whose sum is σ = 246030936. Its totient is φ = 82010310.

The previous prime is 164020609. The next prime is 164020631. The reversal of 164020622 is 226020461.

It is a semiprime because it is the product of two primes.

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, 41005154 + ... + 41005157.

It is an arithmetic number, because the mean of its divisors is an integer number (61507734).

Almost surely, 2^164020622 is an apocalyptic number.

164020622 is a deficient number, since it is larger than the sum of its proper divisors (82010314).

164020622 is an equidigital number, since it uses as much as digits as its factorization.

164020622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82010313.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 164020622 is about 12807.0536033859. The cubic root of 164020622 is about 547.3933093470.

The spelling of 164020622 in words is "one hundred sixty-four million, twenty thousand, six hundred twenty-two".