16330533420 has 24 divisors (see below), whose sum is σ = 45725493744. Its totient is φ = 4354808896.

The previous prime is 16330533419. The next prime is 16330533449. The reversal of 16330533420 is 2433503361.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136087719 + ... + 136087838.

It is an arithmetic number, because the mean of its divisors is an integer number (1905228906).

Almost surely, 2^16330533420 is an apocalyptic number.

16330533420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16330533420 is an abundant number, since it is smaller than the sum of its proper divisors (29394960324).

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

16330533420 is a wasteful number, since it uses less digits than its factorization.

16330533420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272175569 (or 272175567 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

The spelling of 16330533420 in words is "sixteen billion, three hundred thirty million, five hundred thirty-three thousand, four hundred twenty".