161466373 has 4 divisors (see below), whose sum is σ = 161519008. Its totient is φ = 161413740.

The previous prime is 161466367. The next prime is 161466439. The reversal of 161466373 is 373664161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 373664161 = 13 ⋅28743397.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161466373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161416373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21411 + ... + 27952.

It is an arithmetic number, because the mean of its divisors is an integer number (40379752).

Almost surely, 2^161466373 is an apocalyptic number.

It is an amenable number.

161466373 is a deficient number, since it is larger than the sum of its proper divisors (52635).

161466373 is an equidigital number, since it uses as much as digits as its factorization.

161466373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52634.

The product of its digits is 54432, while the sum is 37.

The square root of 161466373 is about 12706.9419216427. The cubic root of 161466373 is about 544.5369610268.

The spelling of 161466373 in words is "one hundred sixty-one million, four hundred sixty-six thousand, three hundred seventy-three".