167987033 has 2 divisors, whose sum is σ = 167987034. Its totient is φ = 167987032.

The previous prime is 167986981. The next prime is 167987041. The reversal of 167987033 is 330789761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136492489 + 31494544 = 11683^2 + 5612^2 .

It is a cyclic number.

It is not a de Polignac number, because 167987033 - 2⁶ = 167986969 is a prime.

It is a super-2 number, since 2×167987033² = 56439286512286178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167987333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83993516 + 83993517.

It is an arithmetic number, because the mean of its divisors is an integer number (83993517).

Almost surely, 2^167987033 is an apocalyptic number.

It is an amenable number.

167987033 is a deficient number, since it is larger than the sum of its proper divisors (1).

167987033 is an equidigital number, since it uses as much as digits as its factorization.

167987033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 167987033 is about 12960.9811742784. The cubic root of 167987033 is about 551.7706384944.

The spelling of 167987033 in words is "one hundred sixty-seven million, nine hundred eighty-seven thousand, thirty-three".