164534019 has 64 divisors (see below), whose sum is σ = 261316608. Its totient is φ = 91238400.

The previous prime is 164534009. The next prime is 164534021. The reversal of 164534019 is 910435461.

164534019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 164534019 - 2⁴ = 164534003 is a prime.

It is a super-2 number, since 2×164534019² = 54142886816584722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164534009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1696179 + ... + 1696275.

It is an arithmetic number, because the mean of its divisors is an integer number (4083072).

Almost surely, 2^164534019 is an apocalyptic number.

164534019 is a deficient number, since it is larger than the sum of its proper divisors (96782589).

164534019 is a wasteful number, since it uses less digits than its factorization.

164534019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 164534019 is about 12827.0814685181. The cubic root of 164534019 is about 547.9638420297.

The spelling of 164534019 in words is "one hundred sixty-four million, five hundred thirty-four thousand, nineteen".