3660758494921 has 8 divisors (see below), whose sum is σ = 4131263505600. Its totient is φ = 3213204948240.

The previous prime is 3660758494873. The next prime is 3660758494931. The reversal of 3660758494921 is 1294948570663.

3660758494921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3660758494921 - 2¹⁹ = 3660757970633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3660758494931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5737865661 + ... + 5737866298.

It is an arithmetic number, because the mean of its divisors is an integer number (516407938200).

It is a 1-persistent number, because it is pandigital, but 2⋅3660758494921 = 7321516989842 is not.

Almost surely, 2^{3660758494921} is an apocalyptic number.

It is an amenable number.

3660758494921 is a deficient number, since it is larger than the sum of its proper divisors (470505010679).

3660758494921 is a wasteful number, since it uses less digits than its factorization.

3660758494921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11475731999.

The product of its (nonzero) digits is 78382080, while the sum is 64.

The spelling of 3660758494921 in words is "three trillion, six hundred sixty billion, seven hundred fifty-eight million, four hundred ninety-four thousand, nine hundred twenty-one".