160400631 has 8 divisors (see below), whose sum is σ = 217902960. Its totient is φ = 104916032.

The previous prime is 160400629. The next prime is 160400633. The reversal of 160400631 is 136004061.

It is an interprime number because it is at equal distance from previous prime (160400629) and next prime (160400633).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 160400631 - 2¹ = 160400629 is a prime.

It is a super-2 number, since 2×160400631² = 51456724850396322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 160400598 and 160400607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160400633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504246 + ... + 504563.

It is an arithmetic number, because the mean of its divisors is an integer number (27237870).

Almost surely, 2^160400631 is an apocalyptic number.

160400631 is a deficient number, since it is larger than the sum of its proper divisors (57502329).

160400631 is a wasteful number, since it uses less digits than its factorization.

160400631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008865.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 160400631 is about 12664.9370705109. The cubic root of 160400631 is about 543.3362622531.

Adding to 160400631 its reverse (136004061), we get a palindrome (296404692).

The spelling of 160400631 in words is "one hundred sixty million, four hundred thousand, six hundred thirty-one".