3660211772 has 24 divisors (see below), whose sum is σ = 7490668416. Its totient is φ = 1532181168.

The previous prime is 3660211739. The next prime is 3660211799. The reversal of 3660211772 is 2771120663.

3660211772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518818 + ... + 1521225.

It is an arithmetic number, because the mean of its divisors is an integer number (312111184).

Almost surely, 2^3660211772 is an apocalyptic number.

It is an amenable number.

3660211772 is an abundant number, since it is smaller than the sum of its proper divisors (3830456644).

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

3660211772 is a wasteful number, since it uses less digits than its factorization.

3660211772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040097 (or 3040095 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 3660211772 is about 60499.6840652908. The cubic root of 3660211772 is about 1541.1162666347.

The spelling of 3660211772 in words is "three billion, six hundred sixty million, two hundred eleven thousand, seven hundred seventy-two".