66052102 has 4 divisors (see below), whose sum is σ = 99078156. Its totient is φ = 33026050.

The previous prime is 66052097. The next prime is 66052109. The reversal of 66052102 is 20125066.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66052109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16513024 + ... + 16513027.

It is an arithmetic number, because the mean of its divisors is an integer number (24769539).

Almost surely, 2^66052102 is an apocalyptic number.

66052102 is a deficient number, since it is larger than the sum of its proper divisors (33026054).

66052102 is a wasteful number, since it uses less digits than its factorization.

66052102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33026053.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 66052102 is about 8127.2444284641. The cubic root of 66052102 is about 404.2303158530.

Adding to 66052102 its reverse (20125066), we get a palindrome (86177168).

The spelling of 66052102 in words is "sixty-six million, fifty-two thousand, one hundred two".