19162332032 has 64 divisors (see below), whose sum is σ = 39151047600. Its totient is φ = 9336729600.

The previous prime is 19162332031. The next prime is 19162332053. The reversal of 19162332032 is 23023326191.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×19162332032² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 19162332032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19162332031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6448307 + ... + 6451277.

Almost surely, 2^19162332032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19162332032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19575523800).

19162332032 is an abundant number, since it is smaller than the sum of its proper divisors (19988715568).

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

19162332032 is a wasteful number, since it uses less digits than its factorization.

19162332032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255 (or 4243 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 19162332032 in words is "nineteen billion, one hundred sixty-two million, three hundred thirty-two thousand, thirty-two".