164662147 has 8 divisors (see below), whose sum is σ = 177611616. Its totient is φ = 151753152.

The previous prime is 164662139. The next prime is 164662177. The reversal of 164662147 is 741266461.

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

It is a cyclic number.

It is not a de Polignac number, because 164662147 - 2³ = 164662139 is a prime.

It is a super-2 number, since 2×164662147² = 54227245309299218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164662117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378 + ... + 18199.

It is an arithmetic number, because the mean of its divisors is an integer number (22201452).

Almost surely, 2^164662147 is an apocalyptic number.

164662147 is a deficient number, since it is larger than the sum of its proper divisors (12949469).

164662147 is a wasteful number, since it uses less digits than its factorization.

164662147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20237.

The product of its digits is 48384, while the sum is 37.

The square root of 164662147 is about 12832.0749296441. The cubic root of 164662147 is about 548.1060442212.

The spelling of 164662147 in words is "one hundred sixty-four million, six hundred sixty-two thousand, one hundred forty-seven".