1610986045 has 8 divisors (see below), whose sum is σ = 2046900024. Its totient is φ = 1212977664.

The previous prime is 1610986037. The next prime is 1610986049. The reversal of 1610986045 is 5406890161.

It can be written as a sum of positive squares in 4 ways, for example, as 512660164 + 1098325881 = 22642^2 + 33141^2 .

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 1610986045 - 2³ = 1610986037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1610985989 and 1610986007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1610986049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9476304 + ... + 9476473.

It is an arithmetic number, because the mean of its divisors is an integer number (255862503).

Almost surely, 2^1610986045 is an apocalyptic number.

It is an amenable number.

1610986045 is a deficient number, since it is larger than the sum of its proper divisors (435913979).

1610986045 is a wasteful number, since it uses less digits than its factorization.

1610986045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18952799.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1610986045 is about 40137.0906394572. The cubic root of 1610986045 is about 1172.2779408621.

The spelling of 1610986045 in words is "one billion, six hundred ten million, nine hundred eighty-six thousand, forty-five".