3666534301540 has 24 divisors (see below), whose sum is σ = 8399696764032. Its totient is φ = 1333285200480.

The previous prime is 3666534301487. The next prime is 3666534301579. The reversal of 3666534301540 is 451034356663.

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, 8333032284 + ... + 8333032723.

It is an arithmetic number, because the mean of its divisors is an integer number (349987365168).

Almost surely, 2^{3666534301540} is an apocalyptic number.

It is an amenable number.

3666534301540 is an abundant number, since it is smaller than the sum of its proper divisors (4733162462492).

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

3666534301540 is a wasteful number, since it uses less digits than its factorization.

3666534301540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666065027 (or 16666065025 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 3666534301540 in words is "three trillion, six hundred sixty-six billion, five hundred thirty-four million, three hundred one thousand, five hundred forty".