1590541661 has 8 divisors (see below), whose sum is σ = 1676656800. Its totient is φ = 1504666800.

The previous prime is 1590541651. The next prime is 1590541679. The reversal of 1590541661 is 1661450951.

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 1590541661 - 2¹⁸ = 1590279517 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 (1590541651) 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, 46391 + ... + 73028.

It is an arithmetic number, because the mean of its divisors is an integer number (209582100).

Almost surely, 2^1590541661 is an apocalyptic number.

It is an amenable number.

1590541661 is a deficient number, since it is larger than the sum of its proper divisors (86115139).

1590541661 is a wasteful number, since it uses less digits than its factorization.

1590541661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120139.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 1590541661 is about 39881.5955172308. The cubic root of 1590541661 is about 1167.2978430201.

The spelling of 1590541661 in words is "one billion, five hundred ninety million, five hundred forty-one thousand, six hundred sixty-one".