16033329780 has 48 divisors (see below), whose sum is σ = 48346658304. Its totient is φ = 3946665600.

The previous prime is 16033329773. The next prime is 16033329787. The reversal of 16033329780 is 8792333061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16033329773) and next prime (16033329787).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16033329787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10276996 + ... + 10278555.

It is an arithmetic number, because the mean of its divisors is an integer number (1007222048).

Almost surely, 2^16033329780 is an apocalyptic number.

16033329780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16033329780 is an abundant number, since it is smaller than the sum of its proper divisors (32313328524).

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

16033329780 is a wasteful number, since it uses less digits than its factorization.

16033329780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20555576 (or 20555574 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The spelling of 16033329780 in words is "sixteen billion, thirty-three million, three hundred twenty-nine thousand, seven hundred eighty".