164245214522 has 8 divisors (see below), whose sum is σ = 252376793172. Its totient is φ = 80119616800.

The previous prime is 164245214479. The next prime is 164245214531. The reversal of 164245214522 is 225412542461.

It can be written as a sum of positive squares in 2 ways, for example, as 160288930321 + 3956284201 = 400361^2 + 62899^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001495129 + ... + 1001495292.

Almost surely, 2^164245214522 is an apocalyptic number.

164245214522 is a deficient number, since it is larger than the sum of its proper divisors (88131578650).

164245214522 is a wasteful number, since it uses less digits than its factorization.

164245214522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002990464.

The product of its digits is 153600, while the sum is 38.

Adding to 164245214522 its reverse (225412542461), we get a palindrome (389657756983).

The spelling of 164245214522 in words is "one hundred sixty-four billion, two hundred forty-five million, two hundred fourteen thousand, five hundred twenty-two".