4160492781 has 16 divisors (see below), whose sum is σ = 5673369600. Its totient is φ = 2710806128.

The previous prime is 4160492761. The next prime is 4160492783. The reversal of 4160492781 is 1872940614.

4160492781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4160492781 - 2⁷ = 4160492653 is a prime.

It is a super-2 number, since 2×4160492781² = 34619400361506227922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4160492783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80860 + ... + 121898.

It is an arithmetic number, because the mean of its divisors is an integer number (354585600).

Almost surely, 2^4160492781 is an apocalyptic number.

It is an amenable number.

4160492781 is a deficient number, since it is larger than the sum of its proper divisors (1512876819).

4160492781 is a wasteful number, since it uses less digits than its factorization.

4160492781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41808.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 4160492781 is about 64501.8819957992. The cubic root of 4160492781 is about 1608.3538053276.

The spelling of 4160492781 in words is "four billion, one hundred sixty million, four hundred ninety-two thousand, seven hundred eighty-one".