3661269020 has 12 divisors (see below), whose sum is σ = 7688664984. Its totient is φ = 1464507600.

The previous prime is 3661269019. The next prime is 3661269037. The reversal of 3661269020 is 209621663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91531706 + ... + 91531745.

It is an arithmetic number, because the mean of its divisors is an integer number (640722082).

Almost surely, 2^3661269020 is an apocalyptic number.

It is an amenable number.

3661269020 is an abundant number, since it is smaller than the sum of its proper divisors (4027395964).

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

3661269020 is a wasteful number, since it uses less digits than its factorization.

3661269020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183063460 (or 183063458 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3661269020 is about 60508.4210668234. The cubic root of 3661269020 is about 1541.2646355761.

The spelling of 3661269020 in words is "three billion, six hundred sixty-one million, two hundred sixty-nine thousand, twenty".