155670117 has 8 divisors (see below), whose sum is σ = 208228800. Its totient is φ = 103445760.

The previous prime is 155670113. The next prime is 155670181. The reversal of 155670117 is 711076551.

155670117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 155670117 - 2² = 155670113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155670113) 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, 82492 + ... + 84357.

It is an arithmetic number, because the mean of its divisors is an integer number (26028600).

Almost surely, 2^155670117 is an apocalyptic number.

It is an amenable number.

155670117 is a deficient number, since it is larger than the sum of its proper divisors (52558683).

155670117 is a wasteful number, since it uses less digits than its factorization.

155670117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167163.

The product of its (nonzero) digits is 7350, while the sum is 33.

The square root of 155670117 is about 12476.7831190576. The cubic root of 155670117 is about 537.9415425030.

The spelling of 155670117 in words is "one hundred fifty-five million, six hundred seventy thousand, one hundred seventeen".