66136053 has 4 divisors (see below), whose sum is σ = 88181408. Its totient is φ = 44090700.

The previous prime is 66136043. The next prime is 66136099. The reversal of 66136053 is 35063166.

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 not a de Polignac number, because 66136053 - 2¹² = 66131957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66136053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66136013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11022673 + ... + 11022678.

It is an arithmetic number, because the mean of its divisors is an integer number (22045352).

Almost surely, 2^66136053 is an apocalyptic number.

It is an amenable number.

66136053 is a deficient number, since it is larger than the sum of its proper divisors (22045355).

66136053 is a wasteful number, since it uses less digits than its factorization.

66136053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22045354.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 66136053 is about 8132.4075770955. The cubic root of 66136053 is about 404.4014997679.

The spelling of 66136053 in words is "sixty-six million, one hundred thirty-six thousand, fifty-three".