105666061156 has 24 divisors (see below), whose sum is σ = 192975398784. Its totient is φ = 50530708800.

The previous prime is 105666061099. The next prime is 105666061157. The reversal of 105666061156 is 651160666501.

It is a super-2 number, since 2×105666061156² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105666061157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921121 + ... + 1029463.

It is an arithmetic number, because the mean of its divisors is an integer number (8040641616).

Almost surely, 2^105666061156 is an apocalyptic number.

It is an amenable number.

105666061156 is a deficient number, since it is larger than the sum of its proper divisors (87309337628).

105666061156 is a wasteful number, since it uses less digits than its factorization.

105666061156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118971 (or 118969 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 105666061156 in words is "one hundred five billion, six hundred sixty-six million, sixty-one thousand, one hundred fifty-six".