162975983 has 2 divisors, whose sum is σ = 162975984. Its totient is φ = 162975982.

The previous prime is 162975979. The next prime is 162976049. The reversal of 162975983 is 389579261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162975983 - 2² = 162975979 is a prime.

It is a super-2 number, since 2×162975983² = 53122342069632578, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162975913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81487991 + 81487992.

It is an arithmetic number, because the mean of its divisors is an integer number (81487992).

Almost surely, 2^162975983 is an apocalyptic number.

162975983 is a deficient number, since it is larger than the sum of its proper divisors (1).

162975983 is an equidigital number, since it uses as much as digits as its factorization.

162975983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 50.

The square root of 162975983 is about 12766.2047218427. The cubic root of 162975983 is about 546.2287267312.

The spelling of 162975983 in words is "one hundred sixty-two million, nine hundred seventy-five thousand, nine hundred eighty-three".