66535150 has 48 divisors (see below), whose sum is σ = 142133760. Its totient is φ = 22917600.

The previous prime is 66535129. The next prime is 66535151. The reversal of 66535150 is 5153566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66535151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7267 + ... + 13633.

It is an arithmetic number, because the mean of its divisors is an integer number (2961120).

Almost surely, 2^66535150 is an apocalyptic number.

66535150 is an abundant number, since it is smaller than the sum of its proper divisors (75598610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66535150 is a wasteful number, since it uses less digits than its factorization.

66535150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409 (or 6404 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 66535150 is about 8156.9081152113. The cubic root of 66535150 is about 405.2133205323.

The spelling of 66535150 in words is "sixty-six million, five hundred thirty-five thousand, one hundred fifty".