519606161002 has 4 divisors (see below), whose sum is σ = 779409241506. Its totient is φ = 259803080500.

The previous prime is 519606160999. The next prime is 519606161027. The reversal of 519606161002 is 200161606915.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 357832472481 + 161773688521 = 598191^2 + 402211^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129901540249 + ... + 129901540252.

Almost surely, 2^519606161002 is an apocalyptic number.

519606161002 is a deficient number, since it is larger than the sum of its proper divisors (259803080504).

519606161002 is a wasteful number, since it uses less digits than its factorization.

519606161002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259803080503.

The product of its (nonzero) digits is 19440, while the sum is 37.

Adding to 519606161002 its reverse (200161606915), we get a palindrome (719767767917).

The spelling of 519606161002 in words is "five hundred nineteen billion, six hundred six million, one hundred sixty-one thousand, two".