16004263744 has 56 divisors (see below), whose sum is σ = 36324202688. Its totient is φ = 6853524480.

The previous prime is 16004263741. The next prime is 16004263801. The reversal of 16004263744 is 44736240061.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×16004263744² (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 (16004263741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578287 + ... + 605329.

Almost surely, 2^16004263744 is an apocalyptic number.

16004263744 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16004263744 is an abundant number, since it is smaller than the sum of its proper divisors (20319938944).

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

16004263744 is a wasteful number, since it uses less digits than its factorization.

16004263744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28383 (or 28373 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 16004263744 in words is "sixteen billion, four million, two hundred sixty-three thousand, seven hundred forty-four".