1610336642 has 8 divisors (see below), whose sum is σ = 2415763596. Its totient is φ = 805082112.

The previous prime is 1610336617. The next prime is 1610336647. The reversal of 1610336642 is 2466330161.

It is a Cunningham number, because it is equal to 40129²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1610336641 + 1 = 40129^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1610336599 and 1610336608.

It is not an unprimeable number, because it can be changed into a prime (1610336647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16463 + ... + 59090.

Almost surely, 2^1610336642 is an apocalyptic number.

1610336642 is a deficient number, since it is larger than the sum of its proper divisors (805426954).

1610336642 is a wasteful number, since it uses less digits than its factorization.

1610336642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86212.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1610336642 is about 40129.0000124598. Note that the first 4 decimals coincide. The cubic root of 1610336642 is about 1172.1204010891.

The spelling of 1610336642 in words is "one billion, six hundred ten million, three hundred thirty-six thousand, six hundred forty-two".