19345416216 has 64 divisors (see below), whose sum is σ = 55382745600. Its totient is φ = 5516249088.

The previous prime is 19345416197. The next prime is 19345416227. The reversal of 19345416216 is 61261454391.

It is a happy number.

It is a super-3 number, since 3×19345416216³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 29961 + ... + 198968.

It is an arithmetic number, because the mean of its divisors is an integer number (865355400).

Almost surely, 2^19345416216 is an apocalyptic number.

It is an amenable number.

19345416216 is an abundant number, since it is smaller than the sum of its proper divisors (36037329384).

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

19345416216 is a wasteful number, since it uses less digits than its factorization.

19345416216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229448 (or 229444 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The spelling of 19345416216 in words is "nineteen billion, three hundred forty-five million, four hundred sixteen thousand, two hundred sixteen".