2005165410 has 16 divisors (see below), whose sum is σ = 4812397056. Its totient is φ = 534710768.

The previous prime is 2005165397. The next prime is 2005165433. The reversal of 2005165410 is 145615002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33419394 + ... + 33419453.

It is an arithmetic number, because the mean of its divisors is an integer number (300774816).

Almost surely, 2^2005165410 is an apocalyptic number.

2005165410 is an abundant number, since it is smaller than the sum of its proper divisors (2807231646).

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

2005165410 is a wasteful number, since it uses less digits than its factorization.

2005165410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66838857.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2005165410 is about 44779.0733490545. The cubic root of 2005165410 is about 1261.0047855715.

The spelling of 2005165410 in words is "two billion, five million, one hundred sixty-five thousand, four hundred ten".