1046678681 has 8 divisors (see below), whose sum is σ = 1076638344. Its totient is φ = 1016807040.

The previous prime is 1046678671. The next prime is 1046678683. The reversal of 1046678681 is 1868766401.

1046678681 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 432432025 + 614246656 = 20795^2 + 24784^2 .

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 1046678681 - 2⁶ = 1046678617 is a prime.

It is a super-2 number, since 2×1046678681² = 2191072522519799522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1046678683) 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, 2501 + ... + 45821.

It is an arithmetic number, because the mean of its divisors is an integer number (134579793).

Almost surely, 2^1046678681 is an apocalyptic number.

It is an amenable number.

1046678681 is a deficient number, since it is larger than the sum of its proper divisors (29959663).

1046678681 is an equidigital number, since it uses as much as digits as its factorization.

1046678681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44011.

The product of its (nonzero) digits is 387072, while the sum is 47.

The square root of 1046678681 is about 32352.4138357557. The cubic root of 1046678681 is about 1015.3235497754.

The spelling of 1046678681 in words is "one billion, forty-six million, six hundred seventy-eight thousand, six hundred eighty-one".