140661166041 has 24 divisors (see below), whose sum is σ = 222110703360. Its totient is φ = 85071189600.

The previous prime is 140661166021. The next prime is 140661166043.

140661166041 is a `hidden beast` number, since 1 + 40 + 6 + 6 + 1 + 1 + 6 + 604 + 1 = 666.

140661166041 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 140661166041 - 2⁹ = 140661165529 is a prime.

It is a super-2 number, since 2×140661166041² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140661165987 and 140661166005.

It is not an unprimeable number, because it can be changed into a prime (140661166043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1435690 + ... + 1530531.

It is an arithmetic number, because the mean of its divisors is an integer number (9254612640).

Almost surely, 2^140661166041 is an apocalyptic number.

140661166041 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140661166041 is a deficient number, since it is larger than the sum of its proper divisors (81449537319).

140661166041 is a wasteful number, since it uses less digits than its factorization.

140661166041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966717 (or 2966714 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 140661166041 in words is "one hundred forty billion, six hundred sixty-one million, one hundred sixty-six thousand, forty-one".