36161899 has 2 divisors, whose sum is σ = 36161900. Its totient is φ = 36161898.

The previous prime is 36161893. The next prime is 36161929. The reversal of 36161899 is 99816163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36161899 - 2¹³ = 36153707 is a prime.

It is not a weakly prime, because it can be changed into another prime (36161893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18080949 + 18080950.

It is an arithmetic number, because the mean of its divisors is an integer number (18080950).

Almost surely, 2^36161899 is an apocalyptic number.

36161899 is a deficient number, since it is larger than the sum of its proper divisors (1).

36161899 is an equidigital number, since it uses as much as digits as its factorization.

36161899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 43.

The square root of 36161899 is about 6013.4764487774. The cubic root of 36161899 is about 330.6869650262.

The spelling of 36161899 in words is "thirty-six million, one hundred sixty-one thousand, eight hundred ninety-nine".