66036037 has 4 divisors (see below), whose sum is σ = 66349216. Its totient is φ = 65722860.

The previous prime is 66036031. The next prime is 66036053. The reversal of 66036037 is 73063066.

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.

It is a cyclic number.

It is not a de Polignac number, because 66036037 - 2⁷ = 66035909 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 (66036031) 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, 156273 + ... + 156694.

It is an arithmetic number, because the mean of its divisors is an integer number (16587304).

Almost surely, 2^66036037 is an apocalyptic number.

It is an amenable number.

66036037 is a deficient number, since it is larger than the sum of its proper divisors (313179).

66036037 is a wasteful number, since it uses less digits than its factorization.

66036037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313178.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 66036037 is about 8126.2560259938. The cubic root of 66036037 is about 404.1975412887.

The spelling of 66036037 in words is "sixty-six million, thirty-six thousand, thirty-seven".