161132307 has 32 divisors (see below), whose sum is σ = 260757504. Its totient is φ = 86400000.

The previous prime is 161132297. The next prime is 161132329. The reversal of 161132307 is 703231161.

It is not a de Polignac number, because 161132307 - 2⁴ = 161132291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161132347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214182 + ... + 214932.

It is an arithmetic number, because the mean of its divisors is an integer number (8148672).

Almost surely, 2^161132307 is an apocalyptic number.

161132307 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

161132307 is a deficient number, since it is larger than the sum of its proper divisors (99625197).

161132307 is a wasteful number, since it uses less digits than its factorization.

161132307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 161132307 is about 12693.7900959485. The cubic root of 161132307 is about 544.1611616563.

Adding to 161132307 its reverse (703231161), we get a palindrome (864363468).

The spelling of 161132307 in words is "one hundred sixty-one million, one hundred thirty-two thousand, three hundred seven".