160631001 has 6 divisors (see below), whose sum is σ = 232022570. Its totient is φ = 107087328.

The previous prime is 160630999. The next prime is 160631033. The reversal of 160631001 is 100136061.

It can be written as a sum of positive squares in only one way, i.e., 159365376 + 1265625 = 12624^2 + 1125^2 .

It is not a de Polignac number, because 160631001 - 2¹ = 160630999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160632001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8923936 + ... + 8923953.

Almost surely, 2^160631001 is an apocalyptic number.

It is an amenable number.

160631001 is a deficient number, since it is larger than the sum of its proper divisors (71391569).

160631001 is a wasteful number, since it uses less digits than its factorization.

160631001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17847895 (or 17847892 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 160631001 is about 12674.0286018298. The cubic root of 160631001 is about 543.5962539559.

Adding to 160631001 its reverse (100136061), we get a palindrome (260767062).

The spelling of 160631001 in words is "one hundred sixty million, six hundred thirty-one thousand, one".