164621054167 has 2 divisors, whose sum is σ = 164621054168. Its totient is φ = 164621054166.

The previous prime is 164621054131. The next prime is 164621054179. The reversal of 164621054167 is 761450126461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164621054167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164621054467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82310527083 + 82310527084.

It is an arithmetic number, because the mean of its divisors is an integer number (82310527084).

Almost surely, 2^164621054167 is an apocalyptic number.

164621054167 is a deficient number, since it is larger than the sum of its proper divisors (1).

164621054167 is an equidigital number, since it uses as much as digits as its factorization.

164621054167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 164621054167 in words is "one hundred sixty-four billion, six hundred twenty-one million, fifty-four thousand, one hundred sixty-seven".