2006505546 has 64 divisors (see below), whose sum is σ = 4299474816. Its totient is φ = 622080000.

The previous prime is 2006505541. The next prime is 2006505551. The reversal of 2006505546 is 6455056002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2006505541) and next prime (2006505551).

It is a super-2 number, since 2×2006505546² = 8052129012257516232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2006505541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4633746 + ... + 4634178.

It is an arithmetic number, because the mean of its divisors is an integer number (67179294).

Almost surely, 2^2006505546 is an apocalyptic number.

2006505546 is an abundant number, since it is smaller than the sum of its proper divisors (2292969270).

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

2006505546 is a wasteful number, since it uses less digits than its factorization.

2006505546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2006505546 is about 44794.0347144572. The cubic root of 2006505546 is about 1261.2856504418.

The spelling of 2006505546 in words is "two billion, six million, five hundred five thousand, five hundred forty-six".