16574020944 has 160 divisors (see below), whose sum is σ = 47805690240. Its totient is φ = 4914763776.

The previous prime is 16574020943. The next prime is 16574020951. The reversal of 16574020944 is 44902047561.

It is a super-2 number, since 2×16574020944² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16574020896 and 16574020905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16574020943) 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, 2467062 + ... + 2473770.

It is an arithmetic number, because the mean of its divisors is an integer number (298785564).

Almost surely, 2^16574020944 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 16574020944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23902845120).

16574020944 is an abundant number, since it is smaller than the sum of its proper divisors (31231669296).

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

16574020944 is a wasteful number, since it uses less digits than its factorization.

16574020944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877 (or 6871 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 16574020944 in words is "sixteen billion, five hundred seventy-four million, twenty thousand, nine hundred forty-four".