66072162 has 16 divisors (see below), whose sum is σ = 142309440. Its totient is φ = 20329872.

The previous prime is 66072151. The next prime is 66072173. The reversal of 66072162 is 26127066.

66072162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66072151) and next prime (66072173).

It is a super-3 number, since 3×66072162³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423462 + ... + 423617.

It is an arithmetic number, because the mean of its divisors is an integer number (8894340).

Almost surely, 2^66072162 is an apocalyptic number.

66072162 is an abundant number, since it is smaller than the sum of its proper divisors (76237278).

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

66072162 is a wasteful number, since it uses less digits than its factorization.

66072162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847097.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 66072162 is about 8128.4784554060. The cubic root of 66072162 is about 404.2712332457.

The spelling of 66072162 in words is "sixty-six million, seventy-two thousand, one hundred sixty-two".