36666413 has 4 divisors (see below), whose sum is σ = 41904480. Its totient is φ = 31428348.

The previous prime is 36666389. The next prime is 36666431. The reversal of 36666413 is 31466663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31466663 = 127 ⋅247769.

It is not a de Polignac number, because 36666413 - 2¹⁶ = 36600877 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 (36666473) 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, 2619023 + ... + 2619036.

It is an arithmetic number, because the mean of its divisors is an integer number (10476120).

Almost surely, 2^36666413 is an apocalyptic number.

It is an amenable number.

36666413 is a deficient number, since it is larger than the sum of its proper divisors (5238067).

36666413 is an equidigital number, since it uses as much as digits as its factorization.

36666413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5238066.

The product of its digits is 46656, while the sum is 35.

The square root of 36666413 is about 6055.2797623231. The cubic root of 36666413 is about 332.2177316864.

The spelling of 36666413 in words is "thirty-six million, six hundred sixty-six thousand, four hundred thirteen".