16349364648 has 64 divisors (see below), whose sum is σ = 45975628800. Its totient is φ = 5449782384.

The previous prime is 16349364641. The next prime is 16349364649. The reversal of 16349364648 is 84646394361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16349364594 and 16349364603.

It is not an unprimeable number, because it can be changed into a prime (16349364641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449736 + ... + 484727.

It is an arithmetic number, because the mean of its divisors is an integer number (718369200).

Almost surely, 2^16349364648 is an apocalyptic number.

16349364648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16349364648 is an abundant number, since it is smaller than the sum of its proper divisors (29626264152).

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

16349364648 is an frugal number, since it uses more digits than its factorization.

16349364648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934490 (or 934468 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The spelling of 16349364648 in words is "sixteen billion, three hundred forty-nine million, three hundred sixty-four thousand, six hundred forty-eight".