169016137 has 4 divisors (see below), whose sum is σ = 171052560. Its totient is φ = 166979716.

The previous prime is 169016129. The next prime is 169016149. The reversal of 169016137 is 731610961.

169016137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 731610961 = 9173 ⋅79757.

It is a cyclic number.

It is not a de Polignac number, because 169016137 - 2³ = 169016129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169016117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018087 + ... + 1018252.

It is an arithmetic number, because the mean of its divisors is an integer number (42763140).

Almost surely, 2^169016137 is an apocalyptic number.

It is an amenable number.

169016137 is a deficient number, since it is larger than the sum of its proper divisors (2036423).

169016137 is an equidigital number, since it uses as much as digits as its factorization.

169016137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036422.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 169016137 is about 13000.6206390310. The cubic root of 169016137 is about 552.8950780148.

The spelling of 169016137 in words is "one hundred sixty-nine million, sixteen thousand, one hundred thirty-seven".