66050650 has 48 divisors (see below), whose sum is σ = 130304160. Its totient is φ = 24840000.

The previous prime is 66050599. The next prime is 66050659. The reversal of 66050650 is 5605066.

It is not an unprimeable number, because it can be changed into a prime (66050659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238312 + ... + 238588.

It is an arithmetic number, because the mean of its divisors is an integer number (2714670).

Almost surely, 2^66050650 is an apocalyptic number.

66050650 is a deficient number, since it is larger than the sum of its proper divisors (64253510).

66050650 is a wasteful number, since it uses less digits than its factorization.

66050650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 66050650 is about 8127.1550988030. The cubic root of 66050650 is about 404.2273538139.

The spelling of 66050650 in words is "sixty-six million, fifty thousand, six hundred fifty".