16140336 has 40 divisors (see below), whose sum is σ = 43044864. Its totient is φ = 5206080.

The previous prime is 16140307. The next prime is 16140337. The reversal of 16140336 is 63304161.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (16140337) 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, 3936 + ... + 6911.

Almost surely, 2^16140336 is an apocalyptic number.

16140336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16140336 is an abundant number, since it is smaller than the sum of its proper divisors (26904528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16140336 is a wasteful number, since it uses less digits than its factorization.

16140336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10889 (or 10883 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 16140336 is about 4017.5037025496. The cubic root of 16140336 is about 252.7187843314.

Adding to 16140336 its reverse (63304161), we get a palindrome (79444497).

The spelling of 16140336 in words is "sixteen million, one hundred forty thousand, three hundred thirty-six".