2006169969 has 16 divisors (see below), whose sum is σ = 2703639744. Its totient is φ = 1323096000.

The previous prime is 2006169941. The next prime is 2006169973. The reversal of 2006169969 is 9699616002.

It is a happy number.

It is not a de Polignac number, because 2006169969 - 2⁵ = 2006169937 is a prime.

It is a super-2 number, since 2×2006169969² = 8049435889034921922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2006165969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525622 + ... + 529424.

It is an arithmetic number, because the mean of its divisors is an integer number (168977484).

Almost surely, 2^2006169969 is an apocalyptic number.

It is an amenable number.

2006169969 is a deficient number, since it is larger than the sum of its proper divisors (697469775).

2006169969 is a wasteful number, since it uses less digits than its factorization.

2006169969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 2006169969 is about 44790.2887800470. The cubic root of 2006169969 is about 1261.2153321624.

The spelling of 2006169969 in words is "two billion, six million, one hundred sixty-nine thousand, nine hundred sixty-nine".