161514067373 has 2 divisors, whose sum is σ = 161514067374. Its totient is φ = 161514067372.

The previous prime is 161514067301. The next prime is 161514067439. The reversal of 161514067373 is 373760415161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150471840649 + 11042226724 = 387907^2 + 105082^2 .

It is a cyclic number.

It is not a de Polignac number, because 161514067373 - 2²² = 161509873069 is a prime.

It is a super-2 number, since 2×161514067373² (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 (161514064373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80757033686 + 80757033687.

It is an arithmetic number, because the mean of its divisors is an integer number (80757033687).

Almost surely, 2^161514067373 is an apocalyptic number.

It is an amenable number.

161514067373 is a deficient number, since it is larger than the sum of its proper divisors (1).

161514067373 is an equidigital number, since it uses as much as digits as its factorization.

161514067373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 161514067373 in words is "one hundred sixty-one billion, five hundred fourteen million, sixty-seven thousand, three hundred seventy-three".