66113053 has 4 divisors (see below), whose sum is σ = 66731040. Its totient is φ = 65495068.

The previous prime is 66113041. The next prime is 66113057. The reversal of 66113053 is 35031166.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35031166 = 2 ⋅17515583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66113053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66113057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308833 + ... + 309046.

It is an arithmetic number, because the mean of its divisors is an integer number (16682760).

Almost surely, 2^66113053 is an apocalyptic number.

It is an amenable number.

66113053 is a deficient number, since it is larger than the sum of its proper divisors (617987).

66113053 is a wasteful number, since it uses less digits than its factorization.

66113053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617986.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 66113053 is about 8130.9933587477. The cubic root of 66113053 is about 404.3546150381.

The spelling of 66113053 in words is "sixty-six million, one hundred thirteen thousand, fifty-three".