3741281664 has 128 divisors (see below), whose sum is σ = 10565445600. Its totient is φ = 1168932864.

The previous prime is 3741281653. The next prime is 3741281671. The reversal of 3741281664 is 4661821473.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1807222 + ... + 1809290.

Almost surely, 2^3741281664 is an apocalyptic number.

3741281664 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3741281664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5282722800).

3741281664 is an abundant number, since it is smaller than the sum of its proper divisors (6824163936).

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

3741281664 is a wasteful number, since it uses less digits than its factorization.

3741281664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2368 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 3741281664 is about 61166.0172317930. The cubic root of 3741281664 is about 1552.4113232948.

The spelling of 3741281664 in words is "three billion, seven hundred forty-one million, two hundred eighty-one thousand, six hundred sixty-four".