155605163 has 16 divisors (see below), whose sum is σ = 180934656. Its totient is φ = 131068800.

The previous prime is 155605139. The next prime is 155605201. The reversal of 155605163 is 361506551.

It is a cyclic number.

It is not a de Polignac number, because 155605163 - 2⁸ = 155604907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155605103) 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 15 ways as a sum of consecutive naturals, for example, 128963 + ... + 130163.

It is an arithmetic number, because the mean of its divisors is an integer number (11308416).

Almost surely, 2^155605163 is an apocalyptic number.

155605163 is a deficient number, since it is larger than the sum of its proper divisors (25329493).

155605163 is a wasteful number, since it uses less digits than its factorization.

155605163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 155605163 is about 12474.1798527999. The cubic root of 155605163 is about 537.8667126500.

The spelling of 155605163 in words is "one hundred fifty-five million, six hundred five thousand, one hundred sixty-three".