161477265119 has 2 divisors, whose sum is σ = 161477265120. Its totient is φ = 161477265118.

The previous prime is 161477265107. The next prime is 161477265161. The reversal of 161477265119 is 911562774161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 161477265119 - 2²⁰ = 161476216543 is a prime.

It is a super-2 number, since 2×161477265119² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161477265179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80738632559 + 80738632560.

It is an arithmetic number, because the mean of its divisors is an integer number (80738632560).

Almost surely, 2^161477265119 is an apocalyptic number.

161477265119 is a deficient number, since it is larger than the sum of its proper divisors (1).

161477265119 is an equidigital number, since it uses as much as digits as its factorization.

161477265119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 50.

The spelling of 161477265119 in words is "one hundred sixty-one billion, four hundred seventy-seven million, two hundred sixty-five thousand, one hundred nineteen".