66150650 has 24 divisors (see below), whose sum is σ = 124605120. Its totient is φ = 26123760.

The previous prime is 66150631. The next prime is 66150697. The reversal of 66150650 is 5605166.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4424 + ... + 12323.

It is an arithmetic number, because the mean of its divisors is an integer number (5191880).

Almost surely, 2^66150650 is an apocalyptic number.

66150650 is a deficient number, since it is larger than the sum of its proper divisors (58454470).

66150650 is a wasteful number, since it uses less digits than its factorization.

66150650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16838 (or 16833 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 66150650 is about 8133.3049862894. The cubic root of 66150650 is about 404.4312496254.

The spelling of 66150650 in words is "sixty-six million, one hundred fifty thousand, six hundred fifty".