16512994548 has 72 divisors (see below), whose sum is σ = 42388032960. Its totient is φ = 5419249920.

The previous prime is 16512994541. The next prime is 16512994549. The reversal of 16512994548 is 84549921561.

16512994548 is a `hidden beast` number, since 1 + 6 + 5 + 1 + 2 + 9 + 94 + 548 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16512994494 and 16512994503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16512994541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2007468 + ... + 2015676.

It is an arithmetic number, because the mean of its divisors is an integer number (588722680).

Almost surely, 2^16512994548 is an apocalyptic number.

16512994548 is a gapful number since it is divisible by the number (18) 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 16512994548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21194016480).

16512994548 is an abundant number, since it is smaller than the sum of its proper divisors (25875038412).

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

16512994548 is a wasteful number, since it uses less digits than its factorization.

16512994548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9077 (or 9072 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 16512994548 in words is "sixteen billion, five hundred twelve million, nine hundred ninety-four thousand, five hundred forty-eight".