412160781 has 4 divisors (see below), whose sum is σ = 549547712. Its totient is φ = 274773852.

The previous prime is 412160729. The next prime is 412160803. The reversal of 412160781 is 187061214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 412160781 - 2⁹ = 412160269 is a prime.

It is a super-2 number, since 2×412160781² = 339753018789059922, 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 (412160981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68693461 + ... + 68693466.

It is an arithmetic number, because the mean of its divisors is an integer number (137386928).

Almost surely, 2^412160781 is an apocalyptic number.

It is an amenable number.

412160781 is a deficient number, since it is larger than the sum of its proper divisors (137386931).

412160781 is a wasteful number, since it uses less digits than its factorization.

412160781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137386930.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 412160781 is about 20301.7432995297. The cubic root of 412160781 is about 744.1986675349.

The spelling of 412160781 in words is "four hundred twelve million, one hundred sixty thousand, seven hundred eighty-one".