13657660473900 has 144 divisors (see below), whose sum is σ = 39857225786784. Its totient is φ = 3610727915520.

The previous prime is 13657660473889. The next prime is 13657660473901. The reversal of 13657660473900 is 937406675631.

It is not an unprimeable number, because it can be changed into a prime (13657660473901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17947962 + ... + 18693438.

It is an arithmetic number, because the mean of its divisors is an integer number (276786290186).

Almost surely, 2^{13657660473900} is an apocalyptic number.

13657660473900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13657660473900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19928612893392).

13657660473900 is an abundant number, since it is smaller than the sum of its proper divisors (26199565312884).

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

13657660473900 is a wasteful number, since it uses less digits than its factorization.

13657660473900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746020 (or 746013 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 57.

The spelling of 13657660473900 in words is "thirteen trillion, six hundred fifty-seven billion, six hundred sixty million, four hundred seventy-three thousand, nine hundred".