66980150 has 48 divisors (see below), whose sum is σ = 130467840. Its totient is φ = 25552800.

The previous prime is 66980131. The next prime is 66980171. The reversal of 66980150 is 5108966.

It is a self number, because there is not a number n which added to its sum of digits gives 66980150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122177 + ... + 122723.

It is an arithmetic number, because the mean of its divisors is an integer number (2718080).

Almost surely, 2^66980150 is an apocalyptic number.

66980150 is a deficient number, since it is larger than the sum of its proper divisors (63487690).

66980150 is a wasteful number, since it uses less digits than its factorization.

66980150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 66980150 is about 8184.1401503151. The cubic root of 66980150 is about 406.1146957694.

The spelling of 66980150 in words is "sixty-six million, nine hundred eighty thousand, one hundred fifty".