5335445664 has 36 divisors (see below), whose sum is σ = 15172674426. Its totient is φ = 1778481792.

The previous prime is 5335445663. The next prime is 5335445693. The reversal of 5335445664 is 4665445335.

5335445664 is a `hidden beast` number, since 5 + 33 + 54 + 4 + 566 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3685461264 + 1649984400 = 60708^2 + 40620^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (5335445663) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9262639 + ... + 9263214.

Almost surely, 2^5335445664 is an apocalyptic number.

It is an amenable number.

5335445664 is an abundant number, since it is smaller than the sum of its proper divisors (9837228762).

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

5335445664 is a wasteful number, since it uses less digits than its factorization.

5335445664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18525869 (or 18525858 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 45.

The square root of 5335445664 is about 73044.1350417677. The cubic root of 5335445664 is about 1747.3915603779.

The spelling of 5335445664 in words is "five billion, three hundred thirty-five million, four hundred forty-five thousand, six hundred sixty-four".