66963150 has 72 divisors (see below), whose sum is σ = 182675064. Its totient is φ = 17582400.

The previous prime is 66963137. The next prime is 66963151. The reversal of 66963150 is 5136966.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66963151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29040 + ... + 31260.

Almost surely, 2^66963150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66963150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91337532).

66963150 is an abundant number, since it is smaller than the sum of its proper divisors (115711914).

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

66963150 is a wasteful number, since it uses less digits than its factorization.

66963150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306 (or 2298 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 66963150 is about 8183.1014902664. The cubic root of 66963150 is about 406.0803346739.

The spelling of 66963150 in words is "sixty-six million, nine hundred sixty-three thousand, one hundred fifty".