3660858012 has 144 divisors (see below), whose sum is σ = 10231764480. Its totient is φ = 1015273728.

The previous prime is 3660858001. The next prime is 3660858049. The reversal of 3660858012 is 2108580663.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3840928 + ... + 3841880.

It is an arithmetic number, because the mean of its divisors is an integer number (71053920).

Almost surely, 2^3660858012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3660858012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5115882240).

3660858012 is an abundant number, since it is smaller than the sum of its proper divisors (6570906468).

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

3660858012 is a wasteful number, since it uses less digits than its factorization.

3660858012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 3660858012 is about 60505.0246839054. The cubic root of 3660858012 is about 1541.2069601456.

The spelling of 3660858012 in words is "three billion, six hundred sixty million, eight hundred fifty-eight thousand, twelve".