16617342432 has 192 divisors, whose sum is σ = 46580244480. Its totient is φ = 5177862144.

The previous prime is 16617342409. The next prime is 16617342437. The reversal of 16617342432 is 23424371661.

It is a super-2 number, since 2×16617342432² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16617342437) 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, 15202878 + ... + 15203970.

It is an arithmetic number, because the mean of its divisors is an integer number (242605440).

Almost surely, 2^16617342432 is an apocalyptic number.

16617342432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16617342432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23290122240).

16617342432 is an abundant number, since it is smaller than the sum of its proper divisors (29962902048).

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

16617342432 is a wasteful number, since it uses less digits than its factorization.

16617342432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1297 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The spelling of 16617342432 in words is "sixteen billion, six hundred seventeen million, three hundred forty-two thousand, four hundred thirty-two".