66120350 has 24 divisors (see below), whose sum is σ = 123330648. Its totient is φ = 26373600.

The previous prime is 66120349. The next prime is 66120359. The reversal of 66120350 is 5302166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66120359) 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, 18185 + ... + 21515.

It is an arithmetic number, because the mean of its divisors is an integer number (5138777).

Almost surely, 2^66120350 is an apocalyptic number.

66120350 is a deficient number, since it is larger than the sum of its proper divisors (57210298).

66120350 is a wasteful number, since it uses less digits than its factorization.

66120350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740 (or 3735 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 66120350 is about 8131.4420615288. The cubic root of 66120350 is about 404.3694909058.

The spelling of 66120350 in words is "sixty-six million, one hundred twenty thousand, three hundred fifty".