16451945048 has 96 divisors (see below), whose sum is σ = 39575692800. Its totient is φ = 6273347520.

The previous prime is 16451945033. The next prime is 16451945119. The reversal of 16451945048 is 84054915461.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 16451944993 and 16451945011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292643 + ... + 344301.

It is an arithmetic number, because the mean of its divisors is an integer number (412246800).

Almost surely, 2^16451945048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16451945048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19787846400).

16451945048 is an abundant number, since it is smaller than the sum of its proper divisors (23123747752).

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

16451945048 is a wasteful number, since it uses less digits than its factorization.

16451945048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51741 (or 51726 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 16451945048 in words is "sixteen billion, four hundred fifty-one million, nine hundred forty-five thousand, forty-eight".