451664532612601 has 16 divisors (see below), whose sum is σ = 563123351651328. Its totient is φ = 351940683315600.

The previous prime is 451664532612599. The next prime is 451664532612637. The reversal of 451664532612601 is 106216235466154.

It is a cyclic number.

It is not a de Polignac number, because 451664532612601 - 2¹ = 451664532612599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451664532610601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42764245 + ... + 52269586.

It is an arithmetic number, because the mean of its divisors is an integer number (35195209478208).

Almost surely, 2^{451664532612601} is an apocalyptic number.

It is an amenable number.

451664532612601 is a deficient number, since it is larger than the sum of its proper divisors (111458819038727).

451664532612601 is a wasteful number, since it uses less digits than its factorization.

451664532612601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95095572.

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 451664532612601 in words is "four hundred fifty-one trillion, six hundred sixty-four billion, five hundred thirty-two million, six hundred twelve thousand, six hundred one".