66533150 has 24 divisors (see below), whose sum is σ = 124304544. Its totient is φ = 26494400.

The previous prime is 66533143. The next prime is 66533171. The reversal of 66533150 is 5133566.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

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, 8795 + ... + 14505.

It is an arithmetic number, because the mean of its divisors is an integer number (5179356).

Almost surely, 2^66533150 is an apocalyptic number.

66533150 is a deficient number, since it is larger than the sum of its proper divisors (57771394).

66533150 is a wasteful number, since it uses less digits than its factorization.

66533150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5956 (or 5951 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 66533150 is about 8156.7855188181. The cubic root of 66533150 is about 405.2092603488.

The spelling of 66533150 in words is "sixty-six million, five hundred thirty-three thousand, one hundred fifty".