1046603661 has 16 divisors (see below), whose sum is σ = 1487130624. Its totient is φ = 653197424.

The previous prime is 1046603651. The next prime is 1046603683. The reversal of 1046603661 is 1663066401.

It is not a de Polignac number, because 1046603661 - 2¹⁹ = 1046079373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046603611) 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, 158121 + ... + 164606.

It is an arithmetic number, because the mean of its divisors is an integer number (92945664).

Almost surely, 2^1046603661 is an apocalyptic number.

It is an amenable number.

1046603661 is a deficient number, since it is larger than the sum of its proper divisors (440526963).

1046603661 is a wasteful number, since it uses less digits than its factorization.

1046603661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322800.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 1046603661 is about 32351.2543960818. The cubic root of 1046603661 is about 1015.2992916485.

The spelling of 1046603661 in words is "one billion, forty-six million, six hundred three thousand, six hundred sixty-one".