20137271666616 has 96 divisors (see below), whose sum is σ = 58736018250000. Its totient is φ = 6195839980032.

The previous prime is 20137271666599. The next prime is 20137271666623. The reversal of 20137271666616 is 61666617273102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24159255 + ... + 24978873.

Almost surely, 2^{20137271666616} is an apocalyptic number.

20137271666616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20137271666616 is an abundant number, since it is smaller than the sum of its proper divisors (38598746583384).

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

20137271666616 is a wasteful number, since it uses less digits than its factorization.

20137271666616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845893 (or 845886 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 20137271666616 in words is "twenty trillion, one hundred thirty-seven billion, two hundred seventy-one million, six hundred sixty-six thousand, six hundred sixteen".