66492436 has 6 divisors (see below), whose sum is σ = 116361770. Its totient is φ = 33246216.

The previous prime is 66492431. The next prime is 66492463. The reversal of 66492436 is 63429466.

66492436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 57456400 + 9036036 = 7580^2 + 3006^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66492431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8311551 + ... + 8311558.

Almost surely, 2^66492436 is an apocalyptic number.

It is an amenable number.

66492436 is a deficient number, since it is larger than the sum of its proper divisors (49869334).

66492436 is a wasteful number, since it uses less digits than its factorization.

66492436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623113 (or 16623111 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The square root of 66492436 is about 8154.2894233649. The cubic root of 66492436 is about 405.1265894990.

The spelling of 66492436 in words is "sixty-six million, four hundred ninety-two thousand, four hundred thirty-six".