66299150 has 24 divisors (see below), whose sum is σ = 130572000. Its totient is φ = 24959360.

The previous prime is 66299147. The next prime is 66299159. The reversal of 66299150 is 5199266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66299159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38150 + ... + 39849.

It is an arithmetic number, because the mean of its divisors is an integer number (5440500).

Almost surely, 2^66299150 is an apocalyptic number.

66299150 is a deficient number, since it is larger than the sum of its proper divisors (64272850).

66299150 is a wasteful number, since it uses less digits than its factorization.

66299150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78028 (or 78023 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 66299150 is about 8142.4289987693. The cubic root of 66299150 is about 404.7336561051.

The spelling of 66299150 in words is "sixty-six million, two hundred ninety-nine thousand, one hundred fifty".