169670121 has 8 divisors (see below), whose sum is σ = 226509024. Its totient is φ = 112972320.

The previous prime is 169670087. The next prime is 169670153. The reversal of 169670121 is 121076961.

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

It is not a de Polignac number, because 169670121 - 2¹⁸ = 169407977 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (169670321) 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, 32436 + ... + 37301.

It is an arithmetic number, because the mean of its divisors is an integer number (28313628).

Almost surely, 2^169670121 is an apocalyptic number.

It is an amenable number.

169670121 is a deficient number, since it is larger than the sum of its proper divisors (56838903).

169670121 is an equidigital number, since it uses as much as digits as its factorization.

169670121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70551.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 169670121 is about 13025.7483854096. The cubic root of 169670121 is about 553.6072766137.

It can be divided in two parts, 1696 and 70121, that added together give a palindrome (71817).

The spelling of 169670121 in words is "one hundred sixty-nine million, six hundred seventy thousand, one hundred twenty-one".