156166028 has 12 divisors (see below), whose sum is σ = 273489552. Its totient is φ = 78026160.

The previous prime is 156166027. The next prime is 156166057. The reversal of 156166028 is 820661651.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (156166027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7703 + ... + 19278.

It is an arithmetic number, because the mean of its divisors is an integer number (22790796).

Almost surely, 2^156166028 is an apocalyptic number.

It is an amenable number.

156166028 is a deficient number, since it is larger than the sum of its proper divisors (117323524).

156166028 is a wasteful number, since it uses less digits than its factorization.

156166028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432 (or 28430 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 156166028 is about 12496.6406685957. The cubic root of 156166028 is about 538.5121687170.

The spelling of 156166028 in words is "one hundred fifty-six million, one hundred sixty-six thousand, twenty-eight".