16363454749728 has 192 divisors, whose sum is σ = 48277900661760. Its totient is φ = 4827789001728.

The previous prime is 16363454749721. The next prime is 16363454749777. The reversal of 16363454749728 is 82794745436361.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (16363454749721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2731551 + ... + 6339422.

It is an arithmetic number, because the mean of its divisors is an integer number (251447399280).

Almost surely, 2^{16363454749728} is an apocalyptic number.

It is an amenable number.

16363454749728 is an abundant number, since it is smaller than the sum of its proper divisors (31914445912032).

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

16363454749728 is a wasteful number, since it uses less digits than its factorization.

16363454749728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9071071 (or 9071063 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 69.

The spelling of 16363454749728 in words is "sixteen trillion, three hundred sixty-three billion, four hundred fifty-four million, seven hundred forty-nine thousand, seven hundred twenty-eight".