36561416 has 8 divisors (see below), whose sum is σ = 68552670. Its totient is φ = 18280704.

The previous prime is 36561403. The next prime is 36561433. The reversal of 36561416 is 61416563.

It can be written as a sum of positive squares in only one way, i.e., 28665316 + 7896100 = 5354^2 + 2810^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2285081 + ... + 2285096.

Almost surely, 2^36561416 is an apocalyptic number.

It is an amenable number.

36561416 is a deficient number, since it is larger than the sum of its proper divisors (31991254).

36561416 is a wasteful number, since it uses less digits than its factorization.

36561416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570183 (or 4570179 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 36561416 is about 6046.6036747913. The cubic root of 36561416 is about 331.9003184555.

Adding to 36561416 its reverse (61416563), we get a palindrome (97977979).

The spelling of 36561416 in words is "thirty-six million, five hundred sixty-one thousand, four hundred sixteen".