3554555664 has 160 divisors (see below), whose sum is σ = 10485293184. Its totient is φ = 1027952640.

The previous prime is 3554555659. The next prime is 3554555681. The reversal of 3554555664 is 4665554553.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1033692 + ... + 1037124.

Almost surely, 2^3554555664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3554555664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5242646592).

3554555664 is an abundant number, since it is smaller than the sum of its proper divisors (6930737520).

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

3554555664 is a wasteful number, since it uses less digits than its factorization.

3554555664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3545 (or 3539 counting only the distinct ones).

The product of its digits is 5400000, while the sum is 48.

The square root of 3554555664 is about 59620.0944648698. The cubic root of 3554555664 is about 1526.1425695609.

The spelling of 3554555664 in words is "three billion, five hundred fifty-four million, five hundred fifty-five thousand, six hundred sixty-four".