3538941660 has 36 divisors (see below), whose sum is σ = 10734790248. Its totient is φ = 943717728.

The previous prime is 3538941649. The next prime is 3538941661. The reversal of 3538941660 is 661498353.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3538941661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9830214 + ... + 9830573.

It is an arithmetic number, because the mean of its divisors is an integer number (298188618).

Almost surely, 2^3538941660 is an apocalyptic number.

3538941660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3538941660 is an abundant number, since it is smaller than the sum of its proper divisors (7195848588).

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

3538941660 is a wasteful number, since it uses less digits than its factorization.

3538941660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19660802 (or 19660797 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 3538941660 is about 59489.0045302491. The cubic root of 3538941660 is about 1523.9046740135.

The spelling of 3538941660 in words is "three billion, five hundred thirty-eight million, nine hundred forty-one thousand, six hundred sixty".