169680039 has 16 divisors (see below), whose sum is σ = 242460672. Its totient is φ = 105275808.

The previous prime is 169680029. The next prime is 169680067. The reversal of 169680039 is 930086961.

169680039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 169680039 - 2⁷ = 169679911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (169680029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30679 + ... + 35784.

It is an arithmetic number, because the mean of its divisors is an integer number (15153792).

Almost surely, 2^169680039 is an apocalyptic number.

169680039 is a deficient number, since it is larger than the sum of its proper divisors (72780633).

169680039 is a wasteful number, since it uses less digits than its factorization.

169680039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66526.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 169680039 is about 13026.1290873383. The cubic root of 169680039 is about 553.6180633686.

The spelling of 169680039 in words is "one hundred sixty-nine million, six hundred eighty thousand, thirty-nine".