161369410377 has 12 divisors (see below), whose sum is σ = 250287248976. Its totient is φ = 92211091560.

The previous prime is 161369410361. The next prime is 161369410399. The reversal of 161369410377 is 773014963161.

161369410377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161369410377 - 2⁴ = 161369410361 is a prime.

It is a super-4 number, since 4×161369410377⁴ (a number of 46 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (161369410177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 548875399 + ... + 548875692.

It is an arithmetic number, because the mean of its divisors is an integer number (20857270748).

Almost surely, 2^161369410377 is an apocalyptic number.

It is an amenable number.

161369410377 is a deficient number, since it is larger than the sum of its proper divisors (88917838599).

161369410377 is a wasteful number, since it uses less digits than its factorization.

161369410377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097751108 (or 1097751101 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 48.

The spelling of 161369410377 in words is "one hundred sixty-one billion, three hundred sixty-nine million, four hundred ten thousand, three hundred seventy-seven".