16145746044 has 48 divisors (see below), whose sum is σ = 38675460096. Its totient is φ = 5239331200.

The previous prime is 16145746037. The next prime is 16145746049. The reversal of 16145746044 is 44064754161.

It is a junction number, because it is equal to n+sod(n) for n = 16145745987 and 16145746005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145746049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194629 + ... + 264899.

It is an arithmetic number, because the mean of its divisors is an integer number (805738752).

Almost surely, 2^16145746044 is an apocalyptic number.

It is an amenable number.

16145746044 is an abundant number, since it is smaller than the sum of its proper divisors (22529714052).

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

16145746044 is a wasteful number, since it uses less digits than its factorization.

16145746044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70786 (or 70784 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 16145746044 in words is "sixteen billion, one hundred forty-five million, seven hundred forty-six thousand, forty-four".