164993363 has 2 divisors, whose sum is σ = 164993364. Its totient is φ = 164993362.

The previous prime is 164993303. The next prime is 164993371. The reversal of 164993363 is 363399461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164993363 - 2⁶ = 164993299 is a prime.

It is not a weakly prime, because it can be changed into another prime (164993303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82496681 + 82496682.

It is an arithmetic number, because the mean of its divisors is an integer number (82496682).

Almost surely, 2^164993363 is an apocalyptic number.

164993363 is a deficient number, since it is larger than the sum of its proper divisors (1).

164993363 is an equidigital number, since it uses as much as digits as its factorization.

164993363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 44.

The square root of 164993363 is about 12844.9742311925. The cubic root of 164993363 is about 548.4733010717.

The spelling of 164993363 in words is "one hundred sixty-four million, nine hundred ninety-three thousand, three hundred sixty-three".