160440643 has 4 divisors (see below), whose sum is σ = 175026168. Its totient is φ = 145855120.

The previous prime is 160440629. The next prime is 160440653. The reversal of 160440643 is 346044061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 160440643 - 2⁹ = 160440131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160440653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7292746 + ... + 7292767.

It is an arithmetic number, because the mean of its divisors is an integer number (43756542).

Almost surely, 2^160440643 is an apocalyptic number.

160440643 is a deficient number, since it is larger than the sum of its proper divisors (14585525).

160440643 is a wasteful number, since it uses less digits than its factorization.

160440643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14585524.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 160440643 is about 12666.5166087603. The cubic root of 160440643 is about 543.3814369779.

The spelling of 160440643 in words is "one hundred sixty million, four hundred forty thousand, six hundred forty-three".