16506053610 has 128 divisors (see below), whose sum is σ = 43087749120. Its totient is φ = 4030854144.

The previous prime is 16506053587. The next prime is 16506053617. The reversal of 16506053610 is 1635060561.

It is not an unprimeable number, because it can be changed into a prime (16506053617) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4288707 + ... + 4292553.

It is an arithmetic number, because the mean of its divisors is an integer number (336623040).

Almost surely, 2^16506053610 is an apocalyptic number.

16506053610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16506053610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21543874560).

16506053610 is an abundant number, since it is smaller than the sum of its proper divisors (26581695510).

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

16506053610 is a wasteful number, since it uses less digits than its factorization.

16506053610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100.

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 16506053610 in words is "sixteen billion, five hundred six million, fifty-three thousand, six hundred ten".