2805612164 has 6 divisors (see below), whose sum is σ = 4909821294. Its totient is φ = 1402806080.

The previous prime is 2805612107. The next prime is 2805612193. The reversal of 2805612164 is 4612165082.

2805612164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2276244100 + 529368064 = 47710^2 + 23008^2 .

It is a super-2 number, since 2×2805612164² = 15742919229569525792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350701517 + ... + 350701524.

It is an arithmetic number, because the mean of its divisors is an integer number (818303549).

Almost surely, 2^2805612164 is an apocalyptic number.

It is an amenable number.

2805612164 is a deficient number, since it is larger than the sum of its proper divisors (2104209130).

2805612164 is a wasteful number, since it uses less digits than its factorization.

2805612164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701403045 (or 701403043 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2805612164 is about 52968.0296405294. The cubic root of 2805612164 is about 1410.4007988246.

The spelling of 2805612164 in words is "two billion, eight hundred five million, six hundred twelve thousand, one hundred sixty-four".