3643155066 has 16 divisors (see below), whose sum is σ = 7316546688. Its totient is φ = 1209345600.

The previous prime is 3643155037. The next prime is 3643155067. The reversal of 3643155066 is 6605513463.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3643155067) 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, 1258290 + ... + 1261181.

It is an arithmetic number, because the mean of its divisors is an integer number (457284168).

Almost surely, 2^3643155066 is an apocalyptic number.

3643155066 is an abundant number, since it is smaller than the sum of its proper divisors (3673391622).

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

3643155066 is a wasteful number, since it uses less digits than its factorization.

3643155066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2519717.

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 3643155066 is about 60358.5542073367. The cubic root of 3643155066 is about 1538.7186544630.

The spelling of 3643155066 in words is "three billion, six hundred forty-three million, one hundred fifty-five thousand, sixty-six".