161255467039 has 2 divisors, whose sum is σ = 161255467040. Its totient is φ = 161255467038.

The previous prime is 161255466989. The next prime is 161255467057. The reversal of 161255467039 is 930764552161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161255467039 - 2¹¹ = 161255464991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161255466983 and 161255467001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161255467939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80627733519 + 80627733520.

It is an arithmetic number, because the mean of its divisors is an integer number (80627733520).

Almost surely, 2^161255467039 is an apocalyptic number.

161255467039 is a deficient number, since it is larger than the sum of its proper divisors (1).

161255467039 is an equidigital number, since it uses as much as digits as its factorization.

161255467039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 161255467039 in words is "one hundred sixty-one billion, two hundred fifty-five million, four hundred sixty-seven thousand, thirty-nine".