140052416161 has 4 divisors (see below), whose sum is σ = 160059904192. Its totient is φ = 120044928132.

The previous prime is 140052416137. The next prime is 140052416173. The reversal of 140052416161 is 161614250041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140052416161 - 2⁵ = 140052416129 is a prime.

It is a super-2 number, since 2×140052416161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140052410161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10003744005 + ... + 10003744018.

It is an arithmetic number, because the mean of its divisors is an integer number (40014976048).

Almost surely, 2^140052416161 is an apocalyptic number.

It is an amenable number.

140052416161 is a deficient number, since it is larger than the sum of its proper divisors (20007488031).

140052416161 is an equidigital number, since it uses as much as digits as its factorization.

140052416161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20007488030.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 140052416161 in words is "one hundred forty billion, fifty-two million, four hundred sixteen thousand, one hundred sixty-one".