160043931 has 42 divisors (see below), whose sum is σ = 248089140. Its totient is φ = 103168080.

The previous prime is 160043927. The next prime is 160043969. The reversal of 160043931 is 139340061.

It is not a de Polignac number, because 160043931 - 2² = 160043927 is a prime.

It is a super-2 number, since 2×160043931² = 51228119699865522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 160043895 and 160043904.

It is not an unprimeable number, because it can be changed into a prime (160043911) 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 41 ways as a sum of consecutive naturals, for example, 2623641 + ... + 2623701.

Almost surely, 2^160043931 is an apocalyptic number.

160043931 is a deficient number, since it is larger than the sum of its proper divisors (88045209).

160043931 is an frugal number, since it uses more digits than its factorization.

160043931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 160043931 is about 12650.8470467396. The cubic root of 160043931 is about 542.9332050557.

Adding to 160043931 its reverse (139340061), we get a palindrome (299383992).

The spelling of 160043931 in words is "one hundred sixty million, forty-three thousand, nine hundred thirty-one".