3660855143 has 32 divisors (see below), whose sum is σ = 4128960000. Its totient is φ = 3217864320.

The previous prime is 3660855127. The next prime is 3660855151. The reversal of 3660855143 is 3415580663.

It is not a de Polignac number, because 3660855143 - 2⁴ = 3660855127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3660855143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660855103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15986153 + ... + 15986381.

It is an arithmetic number, because the mean of its divisors is an integer number (129030000).

Almost surely, 2^3660855143 is an apocalyptic number.

3660855143 is a deficient number, since it is larger than the sum of its proper divisors (468104857).

3660855143 is a wasteful number, since it uses less digits than its factorization.

3660855143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 3660855143 is about 60505.0009751260. Note that the first 3 decimals coincide. The cubic root of 3660855143 is about 1541.2065575329.

The spelling of 3660855143 in words is "three billion, six hundred sixty million, eight hundred fifty-five thousand, one hundred forty-three".