16066516560 has 160 divisors (see below), whose sum is σ = 51830254080. Its totient is φ = 4113682944.

The previous prime is 16066516559. The next prime is 16066516561. The reversal of 16066516560 is 6561566061.

It is an interprime number because it is at equal distance from previous prime (16066516559) and next prime (16066516561).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066516561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 595687 + ... + 622073.

It is an arithmetic number, because the mean of its divisors is an integer number (323939088).

Almost surely, 2^16066516560 is an apocalyptic number.

16066516560 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 16066516560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25915127040).

16066516560 is an abundant number, since it is smaller than the sum of its proper divisors (35763737520).

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

16066516560 is a wasteful number, since it uses less digits than its factorization.

16066516560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26505 (or 26499 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 16066516560 in words is "sixteen billion, sixty-six million, five hundred sixteen thousand, five hundred sixty".