16274140736 has 28 divisors (see below), whose sum is σ = 36907427328. Its totient is φ = 6974631552.

The previous prime is 16274140733. The next prime is 16274140769. The reversal of 16274140736 is 63704147261.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 16274140693 and 16274140702.

It is not an unprimeable number, because it can be changed into a prime (16274140733) 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, 18162656 + ... + 18163551.

Almost surely, 2^16274140736 is an apocalyptic number.

16274140736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16274140736 is an abundant number, since it is smaller than the sum of its proper divisors (20633286592).

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

16274140736 is an equidigital number, since it uses as much as digits as its factorization.

16274140736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36326226 (or 36326216 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

Adding to 16274140736 its reverse (63704147261), we get a palindrome (79978287997).

The spelling of 16274140736 in words is "sixteen billion, two hundred seventy-four million, one hundred forty thousand, seven hundred thirty-six".