164231803 has 2 divisors, whose sum is σ = 164231804. Its totient is φ = 164231802.

The previous prime is 164231797. The next prime is 164231813. The reversal of 164231803 is 308132461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164231803 - 2¹⁷ = 164100731 is a prime.

It is not a weakly prime, because it can be changed into another prime (164231813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82115901 + 82115902.

It is an arithmetic number, because the mean of its divisors is an integer number (82115902).

Almost surely, 2^164231803 is an apocalyptic number.

164231803 is a deficient number, since it is larger than the sum of its proper divisors (1).

164231803 is an equidigital number, since it uses as much as digits as its factorization.

164231803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 164231803 is about 12815.2956657270. The cubic root of 164231803 is about 547.6281365051.

The spelling of 164231803 in words is "one hundred sixty-four million, two hundred thirty-one thousand, eight hundred three".