160197786 has 48 divisors (see below), whose sum is σ = 398736000. Its totient is φ = 45533664.

The previous prime is 160197781. The next prime is 160197823. The reversal of 160197786 is 687791061.

It is a super-3 number, since 3×160197786³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (160197781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21880 + ... + 28268.

It is an arithmetic number, because the mean of its divisors is an integer number (8307000).

Almost surely, 2^160197786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 160197786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199368000).

160197786 is an abundant number, since it is smaller than the sum of its proper divisors (238538214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160197786 is a wasteful number, since it uses less digits than its factorization.

160197786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603 (or 6600 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 160197786 is about 12656.9264041473. The cubic root of 160197786 is about 543.1071286246.

Subtracting from 160197786 its product of nonzero digits (127008), we obtain a triangular number (160070778 = T₁₇₈₉₂).

The spelling of 160197786 in words is "one hundred sixty million, one hundred ninety-seven thousand, seven hundred eighty-six".