4065906654 has 12 divisors (see below), whose sum is σ = 8809464456. Its totient is φ = 1355302212.

The previous prime is 4065906629. The next prime is 4065906659. The reversal of 4065906654 is 4566095604.

4065906654 is a `hidden beast` number, since 4 + 0 + 6 + 590 + 6 + 6 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065906659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112941834 + ... + 112941869.

It is an arithmetic number, because the mean of its divisors is an integer number (734122038).

Almost surely, 2^4065906654 is an apocalyptic number.

4065906654 is an abundant number, since it is smaller than the sum of its proper divisors (4743557802).

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

4065906654 is a wasteful number, since it uses less digits than its factorization.

4065906654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225883711 (or 225883708 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The square root of 4065906654 is about 63764.4623124825. The cubic root of 4065906654 is about 1596.0719600283.

The spelling of 4065906654 in words is "four billion, sixty-five million, nine hundred six thousand, six hundred fifty-four".