66486150 has 96 divisors (see below), whose sum is σ = 194050080. Its totient is φ = 16680960.

The previous prime is 66486143. The next prime is 66486181. The reversal of 66486150 is 5168466.

66486150 is a `hidden beast` number, since 6 + 648 + 6 + 1 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21502 + ... + 24398.

It is an arithmetic number, because the mean of its divisors is an integer number (2021355).

Almost surely, 2^66486150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66486150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97025040).

66486150 is an abundant number, since it is smaller than the sum of its proper divisors (127563930).

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

66486150 is a wasteful number, since it uses less digits than its factorization.

66486150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935 (or 2924 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 66486150 is about 8153.9039729445. The cubic root of 66486150 is about 405.1138226032.

The spelling of 66486150 in words is "sixty-six million, four hundred eighty-six thousand, one hundred fifty".