36664519 has 4 divisors (see below), whose sum is σ = 36953344. Its totient is φ = 36375696.

The previous prime is 36664493. The next prime is 36664531. The reversal of 36664519 is 91546663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91546663 = 13 ⋅7042051.

It is a cyclic number.

It is not a de Polignac number, because 36664519 - 2⁵ = 36664487 is a prime.

It is a super-2 number, since 2×36664519² = 2688573907002722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36664549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144222 + ... + 144475.

It is an arithmetic number, because the mean of its divisors is an integer number (9238336).

Almost surely, 2^36664519 is an apocalyptic number.

36664519 is a deficient number, since it is larger than the sum of its proper divisors (288825).

36664519 is a wasteful number, since it uses less digits than its factorization.

36664519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288824.

The product of its digits is 116640, while the sum is 40.

The square root of 36664519 is about 6055.1233678597. The cubic root of 36664519 is about 332.2120113631.

The spelling of 36664519 in words is "thirty-six million, six hundred sixty-four thousand, five hundred nineteen".