16510435140 has 96 divisors (see below), whose sum is σ = 48024264960. Its totient is φ = 4234854400.

The previous prime is 16510435103. The next prime is 16510435153. The reversal of 16510435140 is 4153401561.

It is a happy number.

16510435140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 16510435098 and 16510435107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127396 + ... + 221924.

It is an arithmetic number, because the mean of its divisors is an integer number (500252760).

Almost surely, 2^16510435140 is an apocalyptic number.

16510435140 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 16510435140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24012132480).

16510435140 is an abundant number, since it is smaller than the sum of its proper divisors (31513829820).

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

16510435140 is a wasteful number, since it uses less digits than its factorization.

16510435140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94653 (or 94651 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 16510435140 in words is "sixteen billion, five hundred ten million, four hundred thirty-five thousand, one hundred forty".