160787817 has 6 divisors (see below), whose sum is σ = 232249082. Its totient is φ = 107191872.

The previous prime is 160787801. The next prime is 160787827. The reversal of 160787817 is 718787061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 159289641 + 1498176 = 12621^2 + 1224^2 .

It is not a de Polignac number, because 160787817 - 2⁴ = 160787801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160787827) 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, 8932648 + ... + 8932665.

Almost surely, 2^160787817 is an apocalyptic number.

It is an amenable number.

160787817 is a deficient number, since it is larger than the sum of its proper divisors (71461265).

160787817 is a wasteful number, since it uses less digits than its factorization.

160787817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17865319 (or 17865316 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 45.

The square root of 160787817 is about 12680.2136023018. The cubic root of 160787817 is about 543.7730916868.

It can be divided in two parts, 160787 and 817, that added together give a square (161604 = 402²).

The spelling of 160787817 in words is "one hundred sixty million, seven hundred eighty-seven thousand, eight hundred seventeen".