16540425300 has 216 divisors, whose sum is σ = 58601353440. Its totient is φ = 3581625600.

The previous prime is 16540425299. The next prime is 16540425301. The reversal of 16540425300 is 352404561.

It is an interprime number because it is at equal distance from previous prime (16540425299) and next prime (16540425301).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16540425301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 249690 + ... + 308910.

Almost surely, 2^16540425300 is an apocalyptic number.

16540425300 is a gapful number since it is divisible by the number (10) 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 16540425300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29300676720).

16540425300 is an abundant number, since it is smaller than the sum of its proper divisors (42060928140).

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

16540425300 is a wasteful number, since it uses less digits than its factorization.

16540425300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59271 (or 59257 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 16540425300 its reverse (352404561), we get a palindrome (16892829861).

The spelling of 16540425300 in words is "sixteen billion, five hundred forty million, four hundred twenty-five thousand, three hundred".