1916672892677 has 8 divisors (see below), whose sum is σ = 1983896183640. Its totient is φ = 1849525009920.

The previous prime is 1916672892611. The next prime is 1916672892679. The reversal of 1916672892677 is 7762982766191.

It can be written as a sum of positive squares in 4 ways, for example, as 105304144036 + 1811368748641 = 324506^2 + 1345871^2 .

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

It is not a de Polignac number, because 1916672892677 - 2¹⁶ = 1916672827141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1916672892677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916672892679) 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, 18800324 + ... + 18901997.

It is an arithmetic number, because the mean of its divisors is an integer number (247987022955).

Almost surely, 2^{1916672892677} is an apocalyptic number.

It is an amenable number.

1916672892677 is a deficient number, since it is larger than the sum of its proper divisors (67223290963).

1916672892677 is a wasteful number, since it uses less digits than its factorization.

1916672892677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37704103.

The product of its digits is 192036096, while the sum is 71.

The spelling of 1916672892677 in words is "one trillion, nine hundred sixteen billion, six hundred seventy-two million, eight hundred ninety-two thousand, six hundred seventy-seven".