66501150 has 24 divisors (see below), whose sum is σ = 164923224. Its totient is φ = 17733600.

The previous prime is 66501143. The next prime is 66501151. The reversal of 66501150 is 5110566.

It is a self number, because there is not a number n which added to its sum of digits gives 66501150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66501151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221521 + ... + 221820.

It is an arithmetic number, because the mean of its divisors is an integer number (6871801).

Almost surely, 2^66501150 is an apocalyptic number.

66501150 is an abundant number, since it is smaller than the sum of its proper divisors (98422074).

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

66501150 is a wasteful number, since it uses less digits than its factorization.

66501150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443356 (or 443351 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 66501150 is about 8154.8237258692. The cubic root of 66501150 is about 405.1442863435.

The spelling of 66501150 in words is "sixty-six million, five hundred one thousand, one hundred fifty".