1046628661 has 12 divisors (see below), whose sum is σ = 1192984320. Its totient is φ = 915267600.

The previous prime is 1046628659. The next prime is 1046628677. The reversal of 1046628661 is 1668266401.

It is a happy number.

1046628661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1046628661 - 2¹ = 1046628659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046625661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159765 + ... + 166186.

It is an arithmetic number, because the mean of its divisors is an integer number (99415360).

Almost surely, 2^1046628661 is an apocalyptic number.

It is an amenable number.

1046628661 is a deficient number, since it is larger than the sum of its proper divisors (146355659).

1046628661 is a wasteful number, since it uses less digits than its factorization.

1046628661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325996 (or 325983 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1046628661 is about 32351.6407775556. The cubic root of 1046628661 is about 1015.3073756639.

The spelling of 1046628661 in words is "one billion, forty-six million, six hundred twenty-eight thousand, six hundred sixty-one".