3625121066 has 16 divisors (see below), whose sum is σ = 6225867456. Its totient is φ = 1550779776.

The previous prime is 3625121047. The next prime is 3625121069. The reversal of 3625121066 is 6601215263.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3625121069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229031 + ... + 244346.

It is an arithmetic number, because the mean of its divisors is an integer number (389116716).

Almost surely, 2^3625121066 is an apocalyptic number.

3625121066 is a deficient number, since it is larger than the sum of its proper divisors (2600746390).

3625121066 is a wasteful number, since it uses less digits than its factorization.

3625121066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473933.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 3625121066 is about 60208.9782839736. The cubic root of 3625121066 is about 1536.1755139449.

The spelling of 3625121066 in words is "three billion, six hundred twenty-five million, one hundred twenty-one thousand, sixty-six".