19330121216 has 160 divisors (see below), whose sum is σ = 45961344000. Its totient is φ = 7946330112.

The previous prime is 19330121189. The next prime is 19330121231. The reversal of 19330121216 is 61212103391.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18604025 + ... + 18605063.

It is an arithmetic number, because the mean of its divisors is an integer number (287258400).

Almost surely, 2^19330121216 is an apocalyptic number.

19330121216 is a gapful number since it is divisible by the number (16) 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 19330121216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22980672000).

19330121216 is an abundant number, since it is smaller than the sum of its proper divisors (26631222784).

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

19330121216 is a wasteful number, since it uses less digits than its factorization.

19330121216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 19330121216 in words is "nineteen billion, three hundred thirty million, one hundred twenty-one thousand, two hundred sixteen".