164504661453043 has 4 divisors (see below), whose sum is σ = 164506581012528. Its totient is φ = 164502741893560.

The previous prime is 164504661453029. The next prime is 164504661453109. The reversal of 164504661453043 is 340354166405461.

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

It is a cyclic number.

It is not a de Polignac number, because 164504661453043 - 2²⁹ = 164504124582131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164504661459043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 959651188 + ... + 959822593.

It is an arithmetic number, because the mean of its divisors is an integer number (41126645253132).

Almost surely, 2^{164504661453043} is an apocalyptic number.

164504661453043 is a deficient number, since it is larger than the sum of its proper divisors (1919559485).

164504661453043 is an equidigital number, since it uses as much as digits as its factorization.

164504661453043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919559484.

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 164504661453043 in words is "one hundred sixty-four trillion, five hundred four billion, six hundred sixty-one million, four hundred fifty-three thousand, forty-three".