16390101 has 16 divisors (see below), whose sum is σ = 26897024. Its totient is φ = 8645184.

The previous prime is 16390097. The next prime is 16390109. The reversal of 16390101 is 10109361.

It is a happy number.

It is not a de Polignac number, because 16390101 - 2² = 16390097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16390109) 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, 29746 + ... + 30291.

It is an arithmetic number, because the mean of its divisors is an integer number (1681064).

Almost surely, 2^16390101 is an apocalyptic number.

It is an amenable number.

16390101 is a deficient number, since it is larger than the sum of its proper divisors (10506923).

16390101 is a wasteful number, since it uses less digits than its factorization.

16390101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60060.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 16390101 is about 4048.4689698700. The cubic root of 16390101 is about 254.0156902288.

Adding to 16390101 its reverse (10109361), we get a palindrome (26499462).

The spelling of 16390101 in words is "sixteen million, three hundred ninety thousand, one hundred one".