2106652169 has 4 divisors (see below), whose sum is σ = 2121808080. Its totient is φ = 2091496260.

The previous prime is 2106652159. The next prime is 2106652187. The reversal of 2106652169 is 9612566012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2106652169 - 2⁸ = 2106651913 is a prime.

It is a super-2 number, since 2×2106652169² = 8875966722304809122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2106652139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7577747 + ... + 7578024.

It is an arithmetic number, because the mean of its divisors is an integer number (530452020).

Almost surely, 2^2106652169 is an apocalyptic number.

It is an amenable number.

2106652169 is a deficient number, since it is larger than the sum of its proper divisors (15155911).

2106652169 is a wasteful number, since it uses less digits than its factorization.

2106652169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155910.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 2106652169 is about 45898.2806758597. The cubic root of 2106652169 is about 1281.9299030828.

The spelling of 2106652169 in words is "two billion, one hundred six million, six hundred fifty-two thousand, one hundred sixty-nine".