2164065526 has 32 divisors (see below), whose sum is σ = 3820400640. Its totient is φ = 900052800.

The previous prime is 2164065517. The next prime is 2164065539. The reversal of 2164065526 is 6255604612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99765 + ... + 119503.

It is an arithmetic number, because the mean of its divisors is an integer number (119387520).

Almost surely, 2^2164065526 is an apocalyptic number.

2164065526 is a deficient number, since it is larger than the sum of its proper divisors (1656335114).

2164065526 is a wasteful number, since it uses less digits than its factorization.

2164065526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19980.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2164065526 is about 46519.5176888153. The cubic root of 2164065526 is about 1293.4713159341.

The spelling of 2164065526 in words is "two billion, one hundred sixty-four million, sixty-five thousand, five hundred twenty-six".