161373068287 has 8 divisors (see below), whose sum is σ = 162862718976. Its totient is φ = 159886839672.

The previous prime is 161373068261. The next prime is 161373068299. The reversal of 161373068287 is 782860373161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161373068287 is a prime.

It is a super-2 number, since 2×161373068287² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161373068687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760723 + ... + 949444.

It is an arithmetic number, because the mean of its divisors is an integer number (20357839872).

Almost surely, 2^161373068287 is an apocalyptic number.

161373068287 is a deficient number, since it is larger than the sum of its proper divisors (1489650689).

161373068287 is a wasteful number, since it uses less digits than its factorization.

161373068287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711037.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 161373068287 in words is "one hundred sixty-one billion, three hundred seventy-three million, sixty-eight thousand, two hundred eighty-seven".