16819848520 has 32 divisors (see below), whose sum is σ = 37890717120. Its totient is φ = 6719751360.

The previous prime is 16819848517. The next prime is 16819848527. The reversal of 16819848520 is 2584891861.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16819848527) 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, 222546 + ... + 288385.

It is an arithmetic number, because the mean of its divisors is an integer number (1184084910).

Almost surely, 2^16819848520 is an apocalyptic number.

16819848520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16819848520 is an abundant number, since it is smaller than the sum of its proper divisors (21070868600).

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

16819848520 is a wasteful number, since it uses less digits than its factorization.

16819848520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511765 (or 511761 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 52.

The spelling of 16819848520 in words is "sixteen billion, eight hundred nineteen million, eight hundred forty-eight thousand, five hundred twenty".