164630833 has 2 divisors, whose sum is σ = 164630834. Its totient is φ = 164630832.

The previous prime is 164630831. The next prime is 164630857. The reversal of 164630833 is 338036461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127870864 + 36759969 = 11308^2 + 6063^2 .

It is a cyclic number.

It is not a de Polignac number, because 164630833 - 2¹ = 164630831 is a prime.

It is a super-2 number, since 2×164630833² = 54206622348547778, which contains 22 as substring.

Together with 164630831, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (164630831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82315416 + 82315417.

It is an arithmetic number, because the mean of its divisors is an integer number (82315417).

Almost surely, 2^164630833 is an apocalyptic number.

It is an amenable number.

164630833 is a deficient number, since it is larger than the sum of its proper divisors (1).

164630833 is an equidigital number, since it uses as much as digits as its factorization.

164630833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 164630833 is about 12830.8547260110. The cubic root of 164630833 is about 548.0712973550.

The spelling of 164630833 in words is "one hundred sixty-four million, six hundred thirty thousand, eight hundred thirty-three".