162868903 has 2 divisors, whose sum is σ = 162868904. Its totient is φ = 162868902.

The previous prime is 162868897. The next prime is 162868919. The reversal of 162868903 is 309868261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162868903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162868903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162868973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81434451 + 81434452.

It is an arithmetic number, because the mean of its divisors is an integer number (81434452).

Almost surely, 2^162868903 is an apocalyptic number.

162868903 is a deficient number, since it is larger than the sum of its proper divisors (1).

162868903 is an equidigital number, since it uses as much as digits as its factorization.

162868903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 162868903 is about 12762.0101473083. The cubic root of 162868903 is about 546.1090710912.

The spelling of 162868903 in words is "one hundred sixty-two million, eight hundred sixty-eight thousand, nine hundred three".