160031477 has 2 divisors, whose sum is σ = 160031478. Its totient is φ = 160031476.

The previous prime is 160031441. The next prime is 160031479. The reversal of 160031477 is 774130061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146555236 + 13476241 = 12106^2 + 3671^2 .

It is a cyclic number.

It is not a de Polignac number, because 160031477 - 2⁶ = 160031413 is a prime.

It is a super-2 number, since 2×160031477² = 51220147261603058, which contains 22 as substring.

Together with 160031479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160031479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80015738 + 80015739.

It is an arithmetic number, because the mean of its divisors is an integer number (80015739).

Almost surely, 2^160031477 is an apocalyptic number.

It is an amenable number.

160031477 is a deficient number, since it is larger than the sum of its proper divisors (1).

160031477 is an equidigital number, since it uses as much as digits as its factorization.

160031477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 160031477 is about 12650.3548171583. The cubic root of 160031477 is about 542.9191217027.

The spelling of 160031477 in words is "one hundred sixty million, thirty-one thousand, four hundred seventy-seven".