2006163576520 has 32 divisors (see below), whose sum is σ = 4513915521720. Its totient is φ = 802456990720.

The previous prime is 2006163576481. The next prime is 2006163576523. The reversal of 2006163576520 is 256753616002.

It can be written as a sum of positive squares in 4 ways, for example, as 1963692137124 + 42471439396 = 1401318^2 + 206086^2 .

It is not an unprimeable number, because it can be changed into a prime (2006163576523) 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, 4775790 + ... + 5178850.

Almost surely, 2^{2006163576520} is an apocalyptic number.

2006163576520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006163576520 is an abundant number, since it is smaller than the sum of its proper divisors (2507751945200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2006163576520 is a wasteful number, since it uses less digits than its factorization.

2006163576520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527505 (or 527501 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 2006163576520 in words is "two trillion, six billion, one hundred sixty-three million, five hundred seventy-six thousand, five hundred twenty".