156668103 has 12 divisors (see below), whose sum is σ = 229486608. Its totient is φ = 102973920.

The previous prime is 156668051. The next prime is 156668117. The reversal of 156668103 is 301866651.

It is a happy number.

It is not a de Polignac number, because 156668103 - 2¹⁰ = 156667079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156668143) 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 11 ways as a sum of consecutive naturals, for example, 121950 + ... + 123227.

It is an arithmetic number, because the mean of its divisors is an integer number (19123884).

Almost surely, 2^156668103 is an apocalyptic number.

156668103 is a deficient number, since it is larger than the sum of its proper divisors (72818505).

156668103 is a wasteful number, since it uses less digits than its factorization.

156668103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245254 (or 245251 counting only the distinct ones).

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

The square root of 156668103 is about 12516.7129470960. The cubic root of 156668103 is about 539.0886582946.

The spelling of 156668103 in words is "one hundred fifty-six million, six hundred sixty-eight thousand, one hundred three".