1219192361916 has 24 divisors (see below), whose sum is σ = 2844849762384. Its totient is φ = 406387799040.

The previous prime is 1219192361909. The next prime is 1219192361921. The reversal of 1219192361916 is 6191632919121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671205 + ... + 1699676.

It is an arithmetic number, because the mean of its divisors is an integer number (118535406766).

Almost surely, 2^{1219192361916} is an apocalyptic number.

It is an amenable number.

1219192361916 is an abundant number, since it is smaller than the sum of its proper divisors (1625657400468).

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

1219192361916 is a wasteful number, since it uses less digits than its factorization.

1219192361916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413741 (or 2413739 counting only the distinct ones).

The product of its digits is 314928, while the sum is 51.

The spelling of 1219192361916 in words is "one trillion, two hundred nineteen billion, one hundred ninety-two million, three hundred sixty-one thousand, nine hundred sixteen".