66137102 has 4 divisors (see below), whose sum is σ = 99205656. Its totient is φ = 33068550.

The previous prime is 66137101. The next prime is 66137143. The reversal of 66137102 is 20173166.

66137102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66137101) 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, 16534274 + ... + 16534277.

It is an arithmetic number, because the mean of its divisors is an integer number (24801414).

Almost surely, 2^66137102 is an apocalyptic number.

66137102 is a deficient number, since it is larger than the sum of its proper divisors (33068554).

66137102 is a wasteful number, since it uses less digits than its factorization.

66137102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33068553.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 66137102 is about 8132.4720718856. The cubic root of 66137102 is about 404.4036378601.

The spelling of 66137102 in words is "sixty-six million, one hundred thirty-seven thousand, one hundred two".