140164601679 has 6 divisors (see below), whose sum is σ = 202459980216. Its totient is φ = 93443067780.

The previous prime is 140164601663. The next prime is 140164601711. The reversal of 140164601679 is 976106461041.

140164601679 is a `hidden beast` number, since 14 + 0 + 16 + 460 + 167 + 9 = 666.

It is not a de Polignac number, because 140164601679 - 2⁴ = 140164601663 is a prime.

It is a super-2 number, since 2×140164601679² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140164601609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7786922307 + ... + 7786922324.

It is an arithmetic number, because the mean of its divisors is an integer number (33743330036).

Almost surely, 2^140164601679 is an apocalyptic number.

140164601679 is a deficient number, since it is larger than the sum of its proper divisors (62295378537).

140164601679 is a wasteful number, since it uses less digits than its factorization.

140164601679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15573844637 (or 15573844634 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 140164601679 in words is "one hundred forty billion, one hundred sixty-four million, six hundred one thousand, six hundred seventy-nine".