1671908042916 has 144 divisors (see below), whose sum is σ = 4481590486464. Its totient is φ = 544808923776.

The previous prime is 1671908042911. The next prime is 1671908042933. The reversal of 1671908042916 is 6192408091761.

1671908042916 is a `hidden beast` number, since 16 + 7 + 190 + 8 + 0 + 429 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1671908042911) 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 47 ways as a sum of consecutive naturals, for example, 14211351 + ... + 14328513.

It is an arithmetic number, because the mean of its divisors is an integer number (31122156156).

Almost surely, 2^{1671908042916} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1671908042916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2240795243232).

1671908042916 is an abundant number, since it is smaller than the sum of its proper divisors (2809682443548).

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

1671908042916 is a wasteful number, since it uses less digits than its factorization.

1671908042916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117512 (or 117498 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 1671908042916 in words is "one trillion, six hundred seventy-one billion, nine hundred eight million, forty-two thousand, nine hundred sixteen".