10621808541696 has 352 divisors, whose sum is σ = 31903009468416. Its totient is φ = 3114270720000.

The previous prime is 10621808541677. The next prime is 10621808541733. The reversal of 10621808541696 is 69614580812601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (352).

It is a super-2 number, since 2×10621808541696² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2145384021 + ... + 2145388971.

Almost surely, 2^{10621808541696} is an apocalyptic number.

10621808541696 is a gapful number since it is divisible by the number (16) 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 10621808541696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15951504734208).

10621808541696 is an abundant number, since it is smaller than the sum of its proper divisors (21281200926720).

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

10621808541696 is an frugal number, since it uses more digits than its factorization.

10621808541696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 10621808541696 in words is "ten trillion, six hundred twenty-one billion, eight hundred eight million, five hundred forty-one thousand, six hundred ninety-six".