164023087 has 2 divisors, whose sum is σ = 164023088. Its totient is φ = 164023086.

The previous prime is 164023063. The next prime is 164023103. The reversal of 164023087 is 780320461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164023087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164023007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82011543 + 82011544.

It is an arithmetic number, because the mean of its divisors is an integer number (82011544).

Almost surely, 2^164023087 is an apocalyptic number.

164023087 is a deficient number, since it is larger than the sum of its proper divisors (1).

164023087 is an equidigital number, since it uses as much as digits as its factorization.

164023087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 164023087 is about 12807.1498390547. The cubic root of 164023087 is about 547.3960515179.

The spelling of 164023087 in words is "one hundred sixty-four million, twenty-three thousand, eighty-seven".