66010850 has 24 divisors (see below), whose sum is σ = 123104100. Its totient is φ = 26334720.

The previous prime is 66010843. The next prime is 66010859. The reversal of 66010850 is 5801066.

It can be written as a sum of positive squares in 6 ways, for example, as 2505889 + 63504961 = 1583^2 + 7969^2 .

It is a super-3 number, since 3×66010850³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (66010859) 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, 20126 + ... + 23174.

Almost surely, 2^66010850 is an apocalyptic number.

66010850 is a deficient number, since it is larger than the sum of its proper divisors (57093250).

66010850 is a wasteful number, since it uses less digits than its factorization.

66010850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3494 (or 3489 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 66010850 is about 8124.7061485324. The cubic root of 66010850 is about 404.1461460277.

The spelling of 66010850 in words is "sixty-six million, ten thousand, eight hundred fifty".