16268013616 has 10 divisors (see below), whose sum is σ = 31519276412. Its totient is φ = 8134006800.

The previous prime is 16268013613. The next prime is 16268013637. The reversal of 16268013616 is 61631086261.

It is a super-2 number, since 2×16268013616² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16268013611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508375410 + ... + 508375441.

Almost surely, 2^16268013616 is an apocalyptic number.

16268013616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16268013616 is a deficient number, since it is larger than the sum of its proper divisors (15251262796).

16268013616 is a wasteful number, since it uses less digits than its factorization.

16268013616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016750859 (or 1016750853 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

Adding to 16268013616 its reverse (61631086261), we get a palindrome (77899099877).

The spelling of 16268013616 in words is "sixteen billion, two hundred sixty-eight million, thirteen thousand, six hundred sixteen".