219687138160 has 40 divisors (see below), whose sum is σ = 583740111456. Its totient is φ = 75321304320.

The previous prime is 219687138157. The next prime is 219687138199. The reversal of 219687138160 is 61831786912.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 219687138098 and 219687138107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196148671 + ... + 196149790.

Almost surely, 2^219687138160 is an apocalyptic number.

219687138160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219687138160 is an abundant number, since it is smaller than the sum of its proper divisors (364052973296).

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

219687138160 is a wasteful number, since it uses less digits than its factorization.

219687138160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392298481 (or 392298475 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 219687138160 in words is "two hundred nineteen billion, six hundred eighty-seven million, one hundred thirty-eight thousand, one hundred sixty".