16327901 has 4 divisors (see below), whose sum is σ = 16341600. Its totient is φ = 16314204.

The previous prime is 16327891. The next prime is 16327903. The reversal of 16327901 is 10972361.

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: 10972361 = 17 ⋅645433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16327901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16327903) 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, 4871 + ... + 7508.

It is an arithmetic number, because the mean of its divisors is an integer number (4085400).

Almost surely, 2^16327901 is an apocalyptic number.

It is an amenable number.

16327901 is a deficient number, since it is larger than the sum of its proper divisors (13699).

16327901 is a wasteful number, since it uses less digits than its factorization.

16327901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13698.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 16327901 is about 4040.7797514836. The cubic root of 16327901 is about 253.6939552833.

The spelling of 16327901 in words is "sixteen million, three hundred twenty-seven thousand, nine hundred one".