156127666 has 8 divisors (see below), whose sum is σ = 235901340. Its totient is φ = 77493888.

The previous prime is 156127637. The next prime is 156127667. The reversal of 156127666 is 666721651.

156127666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 149548441 + 6579225 = 12229^2 + 2565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (156127667) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 284631 + ... + 285178.

Almost surely, 2^156127666 is an apocalyptic number.

156127666 is a deficient number, since it is larger than the sum of its proper divisors (79773674).

156127666 is a wasteful number, since it uses less digits than its factorization.

156127666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569948.

The product of its digits is 90720, while the sum is 40.

The square root of 156127666 is about 12495.1056818260. The cubic root of 156127666 is about 538.4680701468.

The spelling of 156127666 in words is "one hundred fifty-six million, one hundred twenty-seven thousand, six hundred sixty-six".