2006566164 has 36 divisors (see below), whose sum is σ = 5158127520. Its totient is φ = 657518160.

The previous prime is 2006566141. The next prime is 2006566187. The reversal of 2006566164 is 4616656002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2006566141) and next prime (2006566187).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470232 + ... + 474479.

It is an arithmetic number, because the mean of its divisors is an integer number (143281320).

Almost surely, 2^2006566164 is an apocalyptic number.

It is an amenable number.

2006566164 is an abundant number, since it is smaller than the sum of its proper divisors (3151561356).

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

2006566164 is a wasteful number, since it uses less digits than its factorization.

2006566164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944780 (or 944775 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2006566164 is about 44794.7113396213. The cubic root of 2006566164 is about 1261.2983517678.

The spelling of 2006566164 in words is "two billion, six million, five hundred sixty-six thousand, one hundred sixty-four".