16065401 has 8 divisors (see below), whose sum is σ = 17688000. Its totient is φ = 14469840.

The previous prime is 16065377. The next prime is 16065403. The reversal of 16065401 is 10456061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16065401 - 2¹⁴ = 16049017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16065403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5501 + ... + 7898.

It is an arithmetic number, because the mean of its divisors is an integer number (2211000).

Almost surely, 2^16065401 is an apocalyptic number.

16065401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16065401 is a deficient number, since it is larger than the sum of its proper divisors (1622599).

16065401 is a wasteful number, since it uses less digits than its factorization.

16065401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13519.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 16065401 is about 4008.1667879468. The cubic root of 16065401 is about 252.3270769748.

It can be divided in two parts, 1606 and 5401, that added together give a palindrome (7007).

The spelling of 16065401 in words is "sixteen million, sixty-five thousand, four hundred one".