155316169 has 8 divisors (see below), whose sum is σ = 161021952. Its totient is φ = 149653920.

The previous prime is 155316167. The next prime is 155316191. The reversal of 155316169 is 961613551.

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

It is a cyclic number.

It is not a de Polignac number, because 155316169 - 2¹ = 155316167 is a prime.

It is a super-2 number, since 2×155316169² = 48246224705673122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155316163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3529 + ... + 17974.

It is an arithmetic number, because the mean of its divisors is an integer number (20127744).

Almost surely, 2^155316169 is an apocalyptic number.

It is an amenable number.

155316169 is a deficient number, since it is larger than the sum of its proper divisors (5705783).

155316169 is a wasteful number, since it uses less digits than its factorization.

155316169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21767.

The product of its digits is 24300, while the sum is 37.

The square root of 155316169 is about 12462.5907820164. The cubic root of 155316169 is about 537.5335262304.

The spelling of 155316169 in words is "one hundred fifty-five million, three hundred sixteen thousand, one hundred sixty-nine".