19320129466 has 32 divisors (see below), whose sum is σ = 31856727168. Its totient is φ = 8714840640.

The previous prime is 19320129449. The next prime is 19320129497. The reversal of 19320129466 is 66492102391.

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, 2395096 + ... + 2403148.

It is an arithmetic number, because the mean of its divisors is an integer number (995522724).

Almost surely, 2^19320129466 is an apocalyptic number.

19320129466 is a deficient number, since it is larger than the sum of its proper divisors (12536597702).

19320129466 is a wasteful number, since it uses less digits than its factorization.

19320129466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886.

The product of its (nonzero) digits is 139968, while the sum is 43.

Multiplying 19320129466 by its sum of digits (43), we get a palindrome (830765567038).

The spelling of 19320129466 in words is "nineteen billion, three hundred twenty million, one hundred twenty-nine thousand, four hundred sixty-six".