16514124820 has 24 divisors (see below), whose sum is σ = 35875513800. Its totient is φ = 6377868672.

The previous prime is 16514124817. The next prime is 16514124829. The reversal of 16514124820 is 2842141561.

It can be written as a sum of positive squares in 4 ways, for example, as 6976258576 + 9537866244 = 83524^2 + 97662^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16514124829) 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, 14235735 + ... + 14236894.

It is an arithmetic number, because the mean of its divisors is an integer number (1494813075).

Almost surely, 2^16514124820 is an apocalyptic number.

16514124820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16514124820 is an abundant number, since it is smaller than the sum of its proper divisors (19361388980).

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

16514124820 is a wasteful number, since it uses less digits than its factorization.

16514124820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28472667 (or 28472665 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 16514124820 in words is "sixteen billion, five hundred fourteen million, one hundred twenty-four thousand, eight hundred twenty".