19166142863 has 32 divisors (see below), whose sum is σ = 22786560000. Its totient is φ = 15775119360.

The previous prime is 19166142847. The next prime is 19166142883. The reversal of 19166142863 is 36824166191.

It is not a de Polignac number, because 19166142863 - 2⁴ = 19166142847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19166142883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22311728 + ... + 22312586.

It is an arithmetic number, because the mean of its divisors is an integer number (712080000).

Almost surely, 2^19166142863 is an apocalyptic number.

19166142863 is a deficient number, since it is larger than the sum of its proper divisors (3620417137).

19166142863 is a wasteful number, since it uses less digits than its factorization.

19166142863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575.

The product of its digits is 373248, while the sum is 47.

The spelling of 19166142863 in words is "nineteen billion, one hundred sixty-six million, one hundred forty-two thousand, eight hundred sixty-three".