66680150 has 24 divisors (see below), whose sum is σ = 124241304. Its totient is φ = 26625600.

The previous prime is 66680113. The next prime is 66680161. The reversal of 66680150 is 5108666.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 51005 + ... + 52295.

It is an arithmetic number, because the mean of its divisors is an integer number (5176721).

Almost surely, 2^66680150 is an apocalyptic number.

66680150 is a deficient number, since it is larger than the sum of its proper divisors (57561154).

66680150 is a wasteful number, since it uses less digits than its factorization.

66680150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336 (or 2331 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 66680150 is about 8165.7914497004. The cubic root of 66680150 is about 405.5074673145.

The spelling of 66680150 in words is "sixty-six million, six hundred eighty thousand, one hundred fifty".