1038159661 has 16 divisors (see below), whose sum is σ = 1338963840. Its totient is φ = 781058880.

The previous prime is 1038159659. The next prime is 1038159697. The reversal of 1038159661 is 1669518301.

It is not a de Polignac number, because 1038159661 - 2¹ = 1038159659 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 (1038159761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230226 + ... + 234691.

It is an arithmetic number, because the mean of its divisors is an integer number (83685240).

Almost surely, 2^1038159661 is an apocalyptic number.

1038159661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1038159661 is a deficient number, since it is larger than the sum of its proper divisors (300804179).

1038159661 is a wasteful number, since it uses less digits than its factorization.

1038159661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464964.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1038159661 is about 32220.4851142872. The cubic root of 1038159661 is about 1012.5614366216.

The spelling of 1038159661 in words is "one billion, thirty-eight million, one hundred fifty-nine thousand, six hundred sixty-one".