601664264350445 has 8 divisors (see below), whose sum is σ = 721999089736344. Its totient is φ = 481330096469824.

The previous prime is 601664264350441. The next prime is 601664264350447. The reversal of 601664264350445 is 544053462466106.

It can be written as a sum of positive squares in 4 ways, for example, as 90909417137449 + 510754847212996 = 9534643^2 + 22599886^2 .

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 601664264350445 - 2² = 601664264350441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601664264350441) 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, 162360914 + ... + 166025283.

It is an arithmetic number, because the mean of its divisors is an integer number (90249886217043).

Almost surely, 2^{601664264350445} is an apocalyptic number.

It is an amenable number.

601664264350445 is a deficient number, since it is larger than the sum of its proper divisors (120334825385899).

601664264350445 is a wasteful number, since it uses less digits than its factorization.

601664264350445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328752639.

The product of its (nonzero) digits is 49766400, while the sum is 56.

The spelling of 601664264350445 in words is "six hundred one trillion, six hundred sixty-four billion, two hundred sixty-four million, three hundred fifty thousand, four hundred forty-five".