2006521624 has 16 divisors (see below), whose sum is σ = 3883590720. Its totient is φ = 970897440.

The previous prime is 2006521613. The next prime is 2006521639. The reversal of 2006521624 is 4261256002.

It is a super-2 number, since 2×2006521624² = 8052258055159194752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2006521592 and 2006521601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4045159 + ... + 4045654.

It is an arithmetic number, because the mean of its divisors is an integer number (242724420).

Almost surely, 2^2006521624 is an apocalyptic number.

It is an amenable number.

2006521624 is a deficient number, since it is larger than the sum of its proper divisors (1877069096).

2006521624 is a wasteful number, since it uses less digits than its factorization.

2006521624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8090850 (or 8090846 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2006521624 is about 44794.2141799586. The cubic root of 2006521624 is about 1261.2890192997.

Adding to 2006521624 its reverse (4261256002), we get a palindrome (6267777626).

It can be divided in two parts, 20065216 and 24, that multiplied together give a palindrome (481565184).

The spelling of 2006521624 in words is "two billion, six million, five hundred twenty-one thousand, six hundred twenty-four".