66273150 has 48 divisors (see below), whose sum is σ = 165333168. Its totient is φ = 17568000.

The previous prime is 66273127. The next prime is 66273203. The reversal of 66273150 is 5137266.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25930 + ... + 28370.

It is an arithmetic number, because the mean of its divisors is an integer number (3444441).

Almost surely, 2^66273150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66273150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82666584).

66273150 is an abundant number, since it is smaller than the sum of its proper divisors (99060018).

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

66273150 is a wasteful number, since it uses less digits than its factorization.

66273150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637 (or 2632 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 66273150 is about 8140.8322670351. The cubic root of 66273150 is about 404.6807421490.

The spelling of 66273150 in words is "sixty-six million, two hundred seventy-three thousand, one hundred fifty".