161132347 has 2 divisors, whose sum is σ = 161132348. Its totient is φ = 161132346.

The previous prime is 161132333. The next prime is 161132353. The reversal of 161132347 is 743231161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161132347 - 2²³ = 152743739 is a prime.

It is not a weakly prime, because it can be changed into another prime (161132357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80566173 + 80566174.

It is an arithmetic number, because the mean of its divisors is an integer number (80566174).

Almost surely, 2^161132347 is an apocalyptic number.

161132347 is a deficient number, since it is larger than the sum of its proper divisors (1).

161132347 is an equidigital number, since it uses as much as digits as its factorization.

161132347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The square root of 161132347 is about 12693.7916715219. The cubic root of 161132347 is about 544.1612066844.

The spelling of 161132347 in words is "one hundred sixty-one million, one hundred thirty-two thousand, three hundred forty-seven".