1916541878923 has 8 divisors (see below), whose sum is σ = 2190748375520. Its totient is φ = 1642439082240.

The previous prime is 1916541878899. The next prime is 1916541878939. The reversal of 1916541878923 is 3298781456191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1916541878923 - 2⁵ = 1916541878891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1916541878323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25885368 + ... + 25959301.

It is an arithmetic number, because the mean of its divisors is an integer number (273843546940).

Almost surely, 2^{1916541878923} is an apocalyptic number.

1916541878923 is a deficient number, since it is larger than the sum of its proper divisors (274206496597).

1916541878923 is an equidigital number, since it uses as much as digits as its factorization.

1916541878923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51849957.

The product of its digits is 26127360, while the sum is 64.

The spelling of 1916541878923 in words is "one trillion, nine hundred sixteen billion, five hundred forty-one million, eight hundred seventy-eight thousand, nine hundred twenty-three".