13661016171530 has 128 divisors (see below), whose sum is σ = 30574164096000. Its totient is φ = 4279460511744.

The previous prime is 13661016171497. The next prime is 13661016171577. The reversal of 13661016171530 is 3517161016631.

It is a super-3 number, since 3×13661016171530³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34754936 + ... + 35145804.

It is an arithmetic number, because the mean of its divisors is an integer number (238860657000).

Almost surely, 2^{13661016171530} is an apocalyptic number.

13661016171530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13661016171530 is an abundant number, since it is smaller than the sum of its proper divisors (16913147924470).

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

13661016171530 is a wasteful number, since it uses less digits than its factorization.

13661016171530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391288.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 13661016171530 in words is "thirteen trillion, six hundred sixty-one billion, sixteen million, one hundred seventy-one thousand, five hundred thirty".