66115036 has 24 divisors (see below), whose sum is σ = 124841024. Its totient is φ = 30456000.

The previous prime is 66115013. The next prime is 66115039. The reversal of 66115036 is 63051166.

It is a junction number, because it is equal to n+sod(n) for n = 66114995 and 66115013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66115039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38206 + ... + 39898.

Almost surely, 2^66115036 is an apocalyptic number.

It is an amenable number.

66115036 is a deficient number, since it is larger than the sum of its proper divisors (58725988).

66115036 is a wasteful number, since it uses less digits than its factorization.

66115036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2459 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 66115036 is about 8131.1152986537. The cubic root of 66115036 is about 404.3586577455.

The spelling of 66115036 in words is "sixty-six million, one hundred fifteen thousand, thirty-six".