156141666 has 12 divisors (see below), whose sum is σ = 338306982. Its totient is φ = 52047216.

The previous prime is 156141659. The next prime is 156141673. The reversal of 156141666 is 666141651.

It is a happy number.

156141666 is digitally balanced in base 3, 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 (156141659) and next prime (156141673).

It can be written as a sum of positive squares in only one way, i.e., 156125025 + 16641 = 12495^2 + 129^2 .

It is a super-2 number, since 2×156141666² = 48760439722511112, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 156141666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4337251 + ... + 4337286.

Almost surely, 2^156141666 is an apocalyptic number.

156141666 is an abundant number, since it is smaller than the sum of its proper divisors (182165316).

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

156141666 is a wasteful number, since it uses less digits than its factorization.

156141666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8674545 (or 8674542 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 156141666 is about 12495.6658886191. The cubic root of 156141666 is about 538.4841645134.

The spelling of 156141666 in words is "one hundred fifty-six million, one hundred forty-one thousand, six hundred sixty-six".