1671891189360 has 160 divisors (see below), whose sum is σ = 5945795159040. Its totient is φ = 380693428224.

The previous prime is 1671891189343. The next prime is 1671891189373. The reversal of 1671891189360 is 639811981761.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 1671891189294 and 1671891189303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1450125 + ... + 2333804.

It is an arithmetic number, because the mean of its divisors is an integer number (37161219744).

Almost surely, 2^{1671891189360} is an apocalyptic number.

1671891189360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1671891189360 is an abundant number, since it is smaller than the sum of its proper divisors (4273903969680).

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

1671891189360 is a wasteful number, since it uses less digits than its factorization.

1671891189360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784215 (or 3784209 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 60.

The spelling of 1671891189360 in words is "one trillion, six hundred seventy-one billion, eight hundred ninety-one million, one hundred eighty-nine thousand, three hundred sixty".