1679887653620 has 24 divisors (see below), whose sum is σ = 3848469897888. Its totient is φ = 610868237600.

The previous prime is 1679887653607. The next prime is 1679887653637. The reversal of 1679887653620 is 263567889761.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3817926266 + ... + 3817926705.

It is an arithmetic number, because the mean of its divisors is an integer number (160352912412).

Almost surely, 2^{1679887653620} is an apocalyptic number.

1679887653620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1679887653620 is an abundant number, since it is smaller than the sum of its proper divisors (2168582244268).

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

1679887653620 is a wasteful number, since it uses less digits than its factorization.

1679887653620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635852991 (or 7635852989 counting only the distinct ones).

The product of its (nonzero) digits is 182891520, while the sum is 68.

The spelling of 1679887653620 in words is "one trillion, six hundred seventy-nine billion, eight hundred eighty-seven million, six hundred fifty-three thousand, six hundred twenty".