162801983 has 2 divisors, whose sum is σ = 162801984. Its totient is φ = 162801982.

The previous prime is 162801973. The next prime is 162802033. The reversal of 162801983 is 389108261.

It is a weak prime.

It is an emirp because it is prime and its reverse (389108261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162801983 - 2⁴ = 162801967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162801973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81400991 + 81400992.

It is an arithmetic number, because the mean of its divisors is an integer number (81400992).

Almost surely, 2^162801983 is an apocalyptic number.

162801983 is a deficient number, since it is larger than the sum of its proper divisors (1).

162801983 is an equidigital number, since it uses as much as digits as its factorization.

162801983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 162801983 is about 12759.3880339145. The cubic root of 162801983 is about 546.0342652712.

The spelling of 162801983 in words is "one hundred sixty-two million, eight hundred one thousand, nine hundred eighty-three".