19467372216 has 32 divisors (see below), whose sum is σ = 48672408960. Its totient is φ = 6488593632.

The previous prime is 19467372181. The next prime is 19467372217. The reversal of 19467372216 is 61227376491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19467372217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363331 + ... + 413453.

It is an arithmetic number, because the mean of its divisors is an integer number (1521012780).

Almost surely, 2^19467372216 is an apocalyptic number.

It is an amenable number.

19467372216 is an abundant number, since it is smaller than the sum of its proper divisors (29205036744).

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

19467372216 is a wasteful number, since it uses less digits than its factorization.

19467372216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66315 (or 66311 counting only the distinct ones).

The product of its digits is 762048, while the sum is 48.

The spelling of 19467372216 in words is "nineteen billion, four hundred sixty-seven million, three hundred seventy-two thousand, two hundred sixteen".