140063162561 has 24 divisors (see below), whose sum is σ = 163304890560. Its totient is φ = 119778745632.

The previous prime is 140063162539. The next prime is 140063162611. The reversal of 140063162561 is 165261360041.

It is not a de Polignac number, because 140063162561 - 2⁶ = 140063162497 is a prime.

It is a super-2 number, since 2×140063162561² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140063162761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62610935 + ... + 62613171.

It is an arithmetic number, because the mean of its divisors is an integer number (6804370440).

Almost surely, 2^140063162561 is an apocalyptic number.

It is an amenable number.

140063162561 is a deficient number, since it is larger than the sum of its proper divisors (23241727999).

140063162561 is a wasteful number, since it uses less digits than its factorization.

140063162561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4613 (or 4606 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 140063162561 in words is "one hundred forty billion, sixty-three million, one hundred sixty-two thousand, five hundred sixty-one".