165672203 has 2 divisors, whose sum is σ = 165672204. Its totient is φ = 165672202.

The previous prime is 165672187. The next prime is 165672251. The reversal of 165672203 is 302276561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165672203 - 2⁴ = 165672187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165672203.

It is not a weakly prime, because it can be changed into another prime (165672253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82836101 + 82836102.

It is an arithmetic number, because the mean of its divisors is an integer number (82836102).

Almost surely, 2^165672203 is an apocalyptic number.

165672203 is a deficient number, since it is larger than the sum of its proper divisors (1).

165672203 is an equidigital number, since it uses as much as digits as its factorization.

165672203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 165672203 is about 12871.3714498495. The cubic root of 165672203 is about 549.2244750326.

The spelling of 165672203 in words is "one hundred sixty-five million, six hundred seventy-two thousand, two hundred three".