16545602424 has 128 divisors (see below), whose sum is σ = 45900187200. Its totient is φ = 4938485760.

The previous prime is 16545602419. The next prime is 16545602467. The reversal of 16545602424 is 42420654561.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1383382 + ... + 1395290.

Almost surely, 2^16545602424 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 16545602424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22950093600).

16545602424 is an abundant number, since it is smaller than the sum of its proper divisors (29354584776).

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

16545602424 is a wasteful number, since it uses less digits than its factorization.

16545602424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12065 (or 12061 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 16545602424 in words is "sixteen billion, five hundred forty-five million, six hundred two thousand, four hundred twenty-four".