2938016660544 has 560 divisors, whose sum is σ = 10103031937152. Its totient is φ = 826894614528.

The previous prime is 2938016660543. The next prime is 2938016660549. The reversal of 2938016660544 is 4450666108392.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2938016660543) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 799023634 + ... + 799027310.

Almost surely, 2^{2938016660544} is an apocalyptic number.

2938016660544 is a gapful number since it is divisible by the number (24) 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 2938016660544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5051515968576).

2938016660544 is an abundant number, since it is smaller than the sum of its proper divisors (7165015276608).

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

2938016660544 is a wasteful number, since it uses less digits than its factorization.

2938016660544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032 (or 4013 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 2938016660544 in words is "two trillion, nine hundred thirty-eight billion, sixteen million, six hundred sixty thousand, five hundred forty-four".