66116702 has 4 divisors (see below), whose sum is σ = 99175056. Its totient is φ = 33058350.

The previous prime is 66116681. The next prime is 66116711. The reversal of 66116702 is 20761166.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16529174 + ... + 16529177.

It is an arithmetic number, because the mean of its divisors is an integer number (24793764).

Almost surely, 2^66116702 is an apocalyptic number.

66116702 is a deficient number, since it is larger than the sum of its proper divisors (33058354).

66116702 is a wasteful number, since it uses less digits than its factorization.

66116702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33058353.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 66116702 is about 8131.2177439791. The cubic root of 66116702 is about 404.3620541281.

Adding to 66116702 its reverse (20761166), we get a palindrome (86877868).

The spelling of 66116702 in words is "sixty-six million, one hundred sixteen thousand, seven hundred two".