161453210119 has 2 divisors, whose sum is σ = 161453210120. Its totient is φ = 161453210118.

The previous prime is 161453210081. The next prime is 161453210129. The reversal of 161453210119 is 911012354161.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161453210119 - 2⁷ = 161453209991 is a prime.

It is a super-2 number, since 2×161453210119² (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 (161453210129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80726605059 + 80726605060.

It is an arithmetic number, because the mean of its divisors is an integer number (80726605060).

Almost surely, 2^161453210119 is an apocalyptic number.

161453210119 is a deficient number, since it is larger than the sum of its proper divisors (1).

161453210119 is an equidigital number, since it uses as much as digits as its factorization.

161453210119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 161453210119 in words is "one hundred sixty-one billion, four hundred fifty-three million, two hundred ten thousand, one hundred nineteen".