16145442888 has 128 divisors (see below), whose sum is σ = 43589145600. Its totient is φ = 4967053056.

The previous prime is 16145442883. The next prime is 16145442893. The reversal of 16145442888 is 88824454161.

It is an interprime number because it is at equal distance from previous prime (16145442883) and next prime (16145442893).

It is a super-4 number, since 4×16145442888⁴ (a number of 42 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16145442888.

It is not an unprimeable number, because it can be changed into a prime (16145442881) 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, 9862006 + ... + 9863642.

It is an arithmetic number, because the mean of its divisors is an integer number (340540200).

Almost surely, 2^16145442888 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 16145442888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21794572800).

16145442888 is an abundant number, since it is smaller than the sum of its proper divisors (27443702712).

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

16145442888 is a wasteful number, since it uses less digits than its factorization.

16145442888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211 (or 2207 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 51.

The spelling of 16145442888 in words is "sixteen billion, one hundred forty-five million, four hundred forty-two thousand, eight hundred eighty-eight".