164516143 has 8 divisors (see below), whose sum is σ = 179568000. Its totient is φ = 149480280.

The previous prime is 164516137. The next prime is 164516147. The reversal of 164516143 is 341615461.

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 164516143 - 2⁵ = 164516111 is a prime.

It is a super-2 number, since 2×164516143² = 54131122615192898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164516147) 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, 30496 + ... + 35482.

It is an arithmetic number, because the mean of its divisors is an integer number (22446000).

Almost surely, 2^164516143 is an apocalyptic number.

164516143 is a deficient number, since it is larger than the sum of its proper divisors (15051857).

164516143 is a wasteful number, since it uses less digits than its factorization.

164516143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7997.

The product of its digits is 8640, while the sum is 31.

The square root of 164516143 is about 12826.3846426029. The cubic root of 164516143 is about 547.9439965768.

The spelling of 164516143 in words is "one hundred sixty-four million, five hundred sixteen thousand, one hundred forty-three".