66536156 has 12 divisors (see below), whose sum is σ = 116505480. Its totient is φ = 33248880.

The previous prime is 66536149. The next prime is 66536167. The reversal of 66536156 is 65163566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5411 + ... + 12741.

It is an arithmetic number, because the mean of its divisors is an integer number (9708790).

Almost surely, 2^66536156 is an apocalyptic number.

It is an amenable number.

66536156 is a deficient number, since it is larger than the sum of its proper divisors (49969324).

66536156 is a wasteful number, since it uses less digits than its factorization.

66536156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9604 (or 9602 counting only the distinct ones).

The product of its digits is 97200, while the sum is 38.

The square root of 66536156 is about 8156.9697805006. The cubic root of 66536156 is about 405.2153627739.

The spelling of 66536156 in words is "sixty-six million, five hundred thirty-six thousand, one hundred fifty-six".