161477267467 has 2 divisors, whose sum is σ = 161477267468. Its totient is φ = 161477267466.

The previous prime is 161477267449. The next prime is 161477267491. The reversal of 161477267467 is 764762774161.

It is a weak prime.

It is an emirp because it is prime and its reverse (764762774161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161477267467 - 2¹⁹ = 161476743179 is a prime.

It is not a weakly prime, because it can be changed into another prime (161477267407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80738633733 + 80738633734.

It is an arithmetic number, because the mean of its divisors is an integer number (80738633734).

Almost surely, 2^161477267467 is an apocalyptic number.

161477267467 is a deficient number, since it is larger than the sum of its proper divisors (1).

161477267467 is an equidigital number, since it uses as much as digits as its factorization.

161477267467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16595712, while the sum is 58.

The spelling of 161477267467 in words is "one hundred sixty-one billion, four hundred seventy-seven million, two hundred sixty-seven thousand, four hundred sixty-seven".