169387001 has 4 divisors (see below), whose sum is σ = 193585152. Its totient is φ = 145188852.

The previous prime is 169386989. The next prime is 169387003. The reversal of 169387001 is 100783961.

169387001 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169387001 is a prime.

It is a super-2 number, since 2×169387001² = 57383912215548002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169387003) 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, 12099065 + ... + 12099078.

It is an arithmetic number, because the mean of its divisors is an integer number (48396288).

Almost surely, 2^169387001 is an apocalyptic number.

It is an amenable number.

169387001 is a deficient number, since it is larger than the sum of its proper divisors (24198151).

169387001 is an equidigital number, since it uses as much as digits as its factorization.

169387001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24198150.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 169387001 is about 13014.8761423227. The cubic root of 169387001 is about 553.2991796390.

The spelling of 169387001 in words is "one hundred sixty-nine million, three hundred eighty-seven thousand, one".