36167881 has 2 divisors, whose sum is σ = 36167882. Its totient is φ = 36167880.

The previous prime is 36167861. The next prime is 36167903. The reversal of 36167881 is 18876163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 1121481 = 5920^2 + 1059^2 .

It is an emirp because it is prime and its reverse (18876163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36167881 - 2¹⁷ = 36036809 is a prime.

It is a super-2 number, since 2×36167881² = 2616231232060322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36167801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18083940 + 18083941.

It is an arithmetic number, because the mean of its divisors is an integer number (18083941).

Almost surely, 2^36167881 is an apocalyptic number.

It is an amenable number.

36167881 is a deficient number, since it is larger than the sum of its proper divisors (1).

36167881 is an equidigital number, since it uses as much as digits as its factorization.

36167881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 36167881 is about 6013.9738110504. The cubic root of 36167881 is about 330.7051984009.

The spelling of 36167881 in words is "thirty-six million, one hundred sixty-seven thousand, eight hundred eighty-one".