16020246444 has 12 divisors (see below), whose sum is σ = 37380575064. Its totient is φ = 5340082144.

The previous prime is 16020246443. The next prime is 16020246457. The reversal of 16020246444 is 44464202061.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×16020246444² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16020246443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667510257 + ... + 667510280.

It is an arithmetic number, because the mean of its divisors is an integer number (3115047922).

Almost surely, 2^16020246444 is an apocalyptic number.

It is an amenable number.

16020246444 is an abundant number, since it is smaller than the sum of its proper divisors (21360328620).

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

16020246444 is a wasteful number, since it uses less digits than its factorization.

16020246444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335020544 (or 1335020542 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 16020246444 in words is "sixteen billion, twenty million, two hundred forty-six thousand, four hundred forty-four".