16885068520 has 32 divisors (see below), whose sum is σ = 37996254720. Its totient is φ = 6753165120.

The previous prime is 16885068517. The next prime is 16885068527. The reversal of 16885068520 is 2586058861.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16885068527) 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, 358249 + ... + 402631.

It is an arithmetic number, because the mean of its divisors is an integer number (1187382960).

Almost surely, 2^16885068520 is an apocalyptic number.

16885068520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16885068520 is an abundant number, since it is smaller than the sum of its proper divisors (21111186200).

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

16885068520 is a wasteful number, since it uses less digits than its factorization.

16885068520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53905 (or 53901 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 49.

The spelling of 16885068520 in words is "sixteen billion, eight hundred eighty-five million, sixty-eight thousand, five hundred twenty".