160819649 has 8 divisors (see below), whose sum is σ = 168284520. Its totient is φ = 153518976.

The previous prime is 160819639. The next prime is 160819669. The reversal of 160819649 is 946918061.

160819649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 118113424 + 42706225 = 10868^2 + 6535^2 .

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 160819649 - 2¹² = 160815553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160819619) 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, 39044 + ... + 42965.

It is an arithmetic number, because the mean of its divisors is an integer number (21035565).

Almost surely, 2^160819649 is an apocalyptic number.

It is an amenable number.

160819649 is a deficient number, since it is larger than the sum of its proper divisors (7464871).

160819649 is an equidigital number, since it uses as much as digits as its factorization.

160819649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82099.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 160819649 is about 12681.4687240871. The cubic root of 160819649 is about 543.8089738476.

The spelling of 160819649 in words is "one hundred sixty million, eight hundred nineteen thousand, six hundred forty-nine".