36161949 has 8 divisors (see below), whose sum is σ = 48658720. Its totient is φ = 23886576.

The previous prime is 36161947. The next prime is 36161963. The reversal of 36161949 is 94916163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36161949 - 2¹ = 36161947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36161947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54967 + ... + 55620.

It is an arithmetic number, because the mean of its divisors is an integer number (6082340).

Almost surely, 2^36161949 is an apocalyptic number.

It is an amenable number.

36161949 is a deficient number, since it is larger than the sum of its proper divisors (12496771).

36161949 is a wasteful number, since it uses less digits than its factorization.

36161949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110699.

The product of its digits is 34992, while the sum is 39.

The square root of 36161949 is about 6013.4806061049. The cubic root of 36161949 is about 330.6871174366.

It can be divided in two parts, 3616 and 1949, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 36161949 in words is "thirty-six million, one hundred sixty-one thousand, nine hundred forty-nine".