16260431 has 8 divisors (see below), whose sum is σ = 18004224. Its totient is φ = 14560920.

The previous prime is 16260421. The next prime is 16260467. The reversal of 16260431 is 13406261.

It is a happy number.

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

It is not a de Polignac number, because 16260431 - 2¹⁴ = 16244047 is a prime.

It is a super-4 number, since 4×16260431⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16260397 and 16260406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16260421) 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, 10295 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (2250528).

Almost surely, 2^16260431 is an apocalyptic number.

16260431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16260431 is a deficient number, since it is larger than the sum of its proper divisors (1743793).

16260431 is a wasteful number, since it uses less digits than its factorization.

16260431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22141.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 16260431 is about 4032.4224729063. The cubic root of 16260431 is about 253.3440355974.

Adding to 16260431 its reverse (13406261), we get a palindrome (29666692).

The spelling of 16260431 in words is "sixteen million, two hundred sixty thousand, four hundred thirty-one".