1667676760912 has 20 divisors (see below), whose sum is σ = 3259717743060. Its totient is φ = 826459278848.

The previous prime is 1667676760889. The next prime is 1667676760913. The reversal of 1667676760912 is 2190676767661.

It can be written as a sum of positive squares in 2 ways, for example, as 427224333376 + 1240452427536 = 653624^2 + 1113756^2 .

It is a super-2 number, since 2×1667676760912² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1667676760913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461191987 + ... + 461195602.

It is an arithmetic number, because the mean of its divisors is an integer number (162985887153).

Almost surely, 2^{1667676760912} is an apocalyptic number.

It is an amenable number.

1667676760912 is a deficient number, since it is larger than the sum of its proper divisors (1592040982148).

1667676760912 is a wasteful number, since it uses less digits than its factorization.

1667676760912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922387710 (or 922387704 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 64.

The spelling of 1667676760912 in words is "one trillion, six hundred sixty-seven billion, six hundred seventy-six million, seven hundred sixty thousand, nine hundred twelve".