66150162 has 128 divisors (see below), whose sum is σ = 175633920. Its totient is φ = 18247680.

The previous prime is 66150143. The next prime is 66150173. The reversal of 66150162 is 26105166.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 274362 + ... + 274602.

It is an arithmetic number, because the mean of its divisors is an integer number (1372140).

Almost surely, 2^66150162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66150162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87816960).

66150162 is an abundant number, since it is smaller than the sum of its proper divisors (109483758).

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

66150162 is a wasteful number, since it uses less digits than its factorization.

66150162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 66150162 is about 8133.2749861295. The cubic root of 66150162 is about 404.4302551130.

The spelling of 66150162 in words is "sixty-six million, one hundred fifty thousand, one hundred sixty-two".