1916680458912 has 48 divisors (see below), whose sum is σ = 5138334859392. Its totient is φ = 625300006400.

The previous prime is 1916680458851. The next prime is 1916680458971. The reversal of 1916680458912 is 2198540866191.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1916680458912² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212393589 + ... + 212402612.

It is an arithmetic number, because the mean of its divisors is an integer number (107048642904).

Almost surely, 2^{1916680458912} is an apocalyptic number.

1916680458912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1916680458912 is an abundant number, since it is smaller than the sum of its proper divisors (3221654400480).

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

1916680458912 is a wasteful number, since it uses less digits than its factorization.

1916680458912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424796261 (or 424796253 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 60.

The spelling of 1916680458912 in words is "one trillion, nine hundred sixteen billion, six hundred eighty million, four hundred fifty-eight thousand, nine hundred twelve".