105550061660 has 12 divisors (see below), whose sum is σ = 221655129528. Its totient is φ = 42220024656.

The previous prime is 105550061647. The next prime is 105550061663. The reversal of 105550061660 is 66160055501.

It is a super-2 number, since 2×105550061660² (a number of 23 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 105550061660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105550061663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2638751522 + ... + 2638751561.

It is an arithmetic number, because the mean of its divisors is an integer number (18471260794).

Almost surely, 2^105550061660 is an apocalyptic number.

105550061660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105550061660 is an abundant number, since it is smaller than the sum of its proper divisors (116105067868).

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

105550061660 is a wasteful number, since it uses less digits than its factorization.

105550061660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277503092 (or 5277503090 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 105550061660 in words is "one hundred five billion, five hundred fifty million, sixty-one thousand, six hundred sixty".