273680136251916 has 24 divisors (see below), whose sum is σ = 645170355565680. Its totient is φ = 90286230515712.

The previous prime is 273680136251839. The next prime is 273680136251957. The reversal of 273680136251916 is 619152631086372.

It is a happy number.

It is a super-2 number, since 2×273680136251916² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 273680136251916.

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, 117560194821 + ... + 117560197148.

It is an arithmetic number, because the mean of its divisors is an integer number (26882098148570).

Almost surely, 2^{273680136251916} is an apocalyptic number.

It is an amenable number.

273680136251916 is an abundant number, since it is smaller than the sum of its proper divisors (371490219313764).

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

273680136251916 is a wasteful number, since it uses less digits than its factorization.

273680136251916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235120392073 (or 235120392071 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 273680136251916 in words is "two hundred seventy-three trillion, six hundred eighty billion, one hundred thirty-six million, two hundred fifty-one thousand, nine hundred sixteen".