16045423552 has 56 divisors (see below), whose sum is σ = 32774447024. Its totient is φ = 7788275712.

The previous prime is 16045423501. The next prime is 16045423613. The reversal of 16045423552 is 25532454061.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074763 + ... + 1089589.

Almost surely, 2^16045423552 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 16045423552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16387223512).

16045423552 is an abundant number, since it is smaller than the sum of its proper divisors (16729023472).

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

16045423552 is a wasteful number, since it uses less digits than its factorization.

16045423552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15333 (or 15323 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 16045423552 in words is "sixteen billion, forty-five million, four hundred twenty-three thousand, five hundred fifty-two".