164354387 has 2 divisors, whose sum is σ = 164354388. Its totient is φ = 164354386.

The previous prime is 164354321. The next prime is 164354401. The reversal of 164354387 is 783453461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164354387 - 2⁸ = 164354131 is a prime.

It is a super-2 number, since 2×164354387² = 54024729052291538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164354287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82177193 + 82177194.

It is an arithmetic number, because the mean of its divisors is an integer number (82177194).

Almost surely, 2^164354387 is an apocalyptic number.

164354387 is a deficient number, since it is larger than the sum of its proper divisors (1).

164354387 is an equidigital number, since it uses as much as digits as its factorization.

164354387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 164354387 is about 12820.0774958656. The cubic root of 164354387 is about 547.7643540361.

The spelling of 164354387 in words is "one hundred sixty-four million, three hundred fifty-four thousand, three hundred eighty-seven".