2006551500 has 48 divisors (see below), whose sum is σ = 5843082336. Its totient is φ = 535080000.

The previous prime is 2006551489. The next prime is 2006551541. The reversal of 2006551500 is 51556002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667351 + ... + 670350.

It is an arithmetic number, because the mean of its divisors is an integer number (121730882).

Almost surely, 2^2006551500 is an apocalyptic number.

2006551500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2006551500 is an abundant number, since it is smaller than the sum of its proper divisors (3836530836).

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

2006551500 is a wasteful number, since it uses less digits than its factorization.

2006551500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337723 (or 1337711 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 2006551500 is about 44794.5476592855. The cubic root of 2006551500 is about 1261.2952792345.

The spelling of 2006551500 in words is "two billion, six million, five hundred fifty-one thousand, five hundred".