1679861179340 has 48 divisors (see below), whose sum is σ = 3759408156672. Its totient is φ = 629054390976.

The previous prime is 1679861179307. The next prime is 1679861179369. The reversal of 1679861179340 is 439711689761.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38828084 + ... + 38871323.

It is an arithmetic number, because the mean of its divisors is an integer number (78321003264).

Almost surely, 2^{1679861179340} is an apocalyptic number.

1679861179340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1679861179340 is an abundant number, since it is smaller than the sum of its proper divisors (2079546977332).

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

1679861179340 is a wasteful number, since it uses less digits than its factorization.

1679861179340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77699486 (or 77699484 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 62.

The spelling of 1679861179340 in words is "one trillion, six hundred seventy-nine billion, eight hundred sixty-one million, one hundred seventy-nine thousand, three hundred forty".