1679611678460 has 12 divisors (see below), whose sum is σ = 3527184524808. Its totient is φ = 671844671376.

The previous prime is 1679611678453. The next prime is 1679611678463. The reversal of 1679611678460 is 648761169761.

It is a junction number, because it is equal to n+sod(n) for n = 1679611678393 and 1679611678402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679611678463) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41990291942 + ... + 41990291981.

It is an arithmetic number, because the mean of its divisors is an integer number (293932043734).

Almost surely, 2^{1679611678460} is an apocalyptic number.

1679611678460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1679611678460 is an abundant number, since it is smaller than the sum of its proper divisors (1847572846348).

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

1679611678460 is a wasteful number, since it uses less digits than its factorization.

1679611678460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83980583932 (or 83980583930 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 62.

The spelling of 1679611678460 in words is "one trillion, six hundred seventy-nine billion, six hundred eleven million, six hundred seventy-eight thousand, four hundred sixty".