2165260625612 has 24 divisors (see below), whose sum is σ = 4331806080000. Its totient is φ = 927693519120.

The previous prime is 2165260625603. The next prime is 2165260625623.

2165260625612 is nontrivially palindromic in base 10.

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, 11375612 + ... + 11564387.

It is an arithmetic number, because the mean of its divisors is an integer number (180491920000).

Almost surely, 2^{2165260625612} is an apocalyptic number.

It is an amenable number.

2165260625612 is an abundant number, since it is smaller than the sum of its proper divisors (2166545454388).

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

2165260625612 is a wasteful number, since it uses less digits than its factorization.

2165260625612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22943381 (or 22943379 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 2165260625612 in words is "two trillion, one hundred sixty-five billion, two hundred sixty million, six hundred twenty-five thousand, six hundred twelve".