160496989 has 4 divisors (see below), whose sum is σ = 161574300. Its totient is φ = 159419680.

The previous prime is 160496957. The next prime is 160497019. The reversal of 160496989 is 989694061.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20548089 + 139948900 = 4533^2 + 11830^2 .

It is a cyclic number.

It is not a de Polignac number, because 160496989 - 2⁵ = 160496957 is a prime.

It is a super-2 number, since 2×160496989² = 51518566956132242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160490989) 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, 538432 + ... + 538729.

It is an arithmetic number, because the mean of its divisors is an integer number (40393575).

Almost surely, 2^160496989 is an apocalyptic number.

It is an amenable number.

160496989 is a deficient number, since it is larger than the sum of its proper divisors (1077311).

160496989 is a wasteful number, since it uses less digits than its factorization.

160496989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077310.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 160496989 is about 12668.7406240715. The cubic root of 160496989 is about 543.4450405353.

The spelling of 160496989 in words is "one hundred sixty million, four hundred ninety-six thousand, nine hundred eighty-nine".