4641066265521 has 32 divisors (see below), whose sum is σ = 7153551175680. Its totient is φ = 2621657821824.

The previous prime is 4641066265499. The next prime is 4641066265613. The reversal of 4641066265521 is 1255626601464.

It is a happy number.

It is not a de Polignac number, because 4641066265521 - 2¹¹ = 4641066263473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4641066265721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2731785 + ... + 4092038.

It is an arithmetic number, because the mean of its divisors is an integer number (223548474240).

Almost surely, 2^{4641066265521} is an apocalyptic number.

It is an amenable number.

4641066265521 is a deficient number, since it is larger than the sum of its proper divisors (2512484910159).

4641066265521 is a wasteful number, since it uses less digits than its factorization.

4641066265521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6824205.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 4641066265521 in words is "four trillion, six hundred forty-one billion, sixty-six million, two hundred sixty-five thousand, five hundred twenty-one".