168740275062427 has 4 divisors (see below), whose sum is σ = 168785404853560. Its totient is φ = 168695145271296.

The previous prime is 168740275062421. The next prime is 168740275062509. The reversal of 168740275062427 is 724260572047861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168740275062427 - 2¹⁵ = 168740275029659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168740275062421) 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, 22564889958 + ... + 22564897435.

It is an arithmetic number, because the mean of its divisors is an integer number (42196351213390).

Almost surely, 2^{168740275062427} is an apocalyptic number.

168740275062427 is a deficient number, since it is larger than the sum of its proper divisors (45129791133).

168740275062427 is an equidigital number, since it uses as much as digits as its factorization.

168740275062427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45129791132.

The product of its (nonzero) digits is 63221760, while the sum is 61.

The spelling of 168740275062427 in words is "one hundred sixty-eight trillion, seven hundred forty billion, two hundred seventy-five million, sixty-two thousand, four hundred twenty-seven".