105621442660 has 48 divisors (see below), whose sum is σ = 230684110272. Its totient is φ = 40589539200.

The previous prime is 105621442657. The next prime is 105621442711. The reversal of 105621442660 is 66244126501.

It is a super-2 number, since 2×105621442660² (a number of 23 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, 954226 + ... + 1059145.

It is an arithmetic number, because the mean of its divisors is an integer number (4805918964).

Almost surely, 2^105621442660 is an apocalyptic number.

105621442660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105621442660 is an abundant number, since it is smaller than the sum of its proper divisors (125062667612).

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

105621442660 is a wasteful number, since it uses less digits than its factorization.

105621442660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013484 (or 2013482 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 105621442660 in words is "one hundred five billion, six hundred twenty-one million, four hundred forty-two thousand, six hundred sixty".