66337436 has 48 divisors (see below), whose sum is σ = 135260160. Its totient is φ = 28149120.

The previous prime is 66337429. The next prime is 66337477. The reversal of 66337436 is 63473366.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 66337436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60485 + ... + 61571.

It is an arithmetic number, because the mean of its divisors is an integer number (2817920).

Almost surely, 2^66337436 is an apocalyptic number.

It is an amenable number.

66337436 is an abundant number, since it is smaller than the sum of its proper divisors (68922724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66337436 is a wasteful number, since it uses less digits than its factorization.

66337436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194 (or 1192 counting only the distinct ones).

The product of its digits is 163296, while the sum is 38.

The square root of 66337436 is about 8144.7796778059. The cubic root of 66337436 is about 404.8115487626.

The spelling of 66337436 in words is "sixty-six million, three hundred thirty-seven thousand, four hundred thirty-six".