164347867 has 2 divisors, whose sum is σ = 164347868. Its totient is φ = 164347866.

The previous prime is 164347831. The next prime is 164347871. The reversal of 164347867 is 768743461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164347867 - 2²³ = 155959259 is a prime.

It is not a weakly prime, because it can be changed into another prime (164347817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82173933 + 82173934.

It is an arithmetic number, because the mean of its divisors is an integer number (82173934).

Almost surely, 2^164347867 is an apocalyptic number.

164347867 is a deficient number, since it is larger than the sum of its proper divisors (1).

164347867 is an equidigital number, since it uses as much as digits as its factorization.

164347867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 46.

The square root of 164347867 is about 12819.8232047092. The cubic root of 164347867 is about 547.7571106014.

The spelling of 164347867 in words is "one hundred sixty-four million, three hundred forty-seven thousand, eight hundred sixty-seven".