140166125361 has 48 divisors (see below), whose sum is σ = 204916922496. Its totient is φ = 92321019648.

The previous prime is 140166125353. The next prime is 140166125371. The reversal of 140166125361 is 163521661041.

140166125361 is a `hidden beast` number, since 1 + 4 + 0 + 1 + 6 + 612 + 5 + 36 + 1 = 666.

It is not a de Polignac number, because 140166125361 - 2³ = 140166125353 is a prime.

It is a super-3 number, since 3×140166125361³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (140166125371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205220926 + ... + 205221608.

It is an arithmetic number, because the mean of its divisors is an integer number (4269102552).

Almost surely, 2^140166125361 is an apocalyptic number.

It is an amenable number.

140166125361 is a deficient number, since it is larger than the sum of its proper divisors (64750797135).

140166125361 is a wasteful number, since it uses less digits than its factorization.

140166125361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 140166125361 in words is "one hundred forty billion, one hundred sixty-six million, one hundred twenty-five thousand, three hundred sixty-one".