1689177311858 has 16 divisors (see below), whose sum is σ = 2536342053120. Its totient is φ = 843730131456.

The previous prime is 1689177311851. The next prime is 1689177311869. The reversal of 1689177311858 is 8581137719861.

It is a junction number, because it is equal to n+sod(n) for n = 1689177311794 and 1689177311803.

It is not an unprimeable number, because it can be changed into a prime (1689177311851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22837091 + ... + 22910937.

It is an arithmetic number, because the mean of its divisors is an integer number (158521378320).

Almost surely, 2^{1689177311858} is an apocalyptic number.

1689177311858 is a deficient number, since it is larger than the sum of its proper divisors (847164741262).

1689177311858 is a wasteful number, since it uses less digits than its factorization.

1689177311858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85321.

The product of its digits is 20321280, while the sum is 65.

The spelling of 1689177311858 in words is "one trillion, six hundred eighty-nine billion, one hundred seventy-seven million, three hundred eleven thousand, eight hundred fifty-eight".