2196553911552 has 3456 divisors, whose sum is σ = 9743175680000. Its totient is φ = 482833612800.

The previous prime is 2196553911499. The next prime is 2196553911577. The reversal of 2196553911552 is 2551193556912.

2196553911552 is a `hidden beast` number, since 2 + 1 + 9 + 6 + 55 + 39 + 1 + 1 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (3456).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 70856577777 + ... + 70856577807.

Almost surely, 2^{2196553911552} is an apocalyptic number.

2196553911552 is a gapful number since it is divisible by the number (22) 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 2196553911552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4871587840000).

2196553911552 is an abundant number, since it is smaller than the sum of its proper divisors (7546621768448).

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

2196553911552 is a wasteful number, since it uses less digits than its factorization.

2196553911552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 86 counting only the distinct ones).

The product of its digits is 3645000, while the sum is 54.

The spelling of 2196553911552 in words is "two trillion, one hundred ninety-six billion, five hundred fifty-three million, nine hundred eleven thousand, five hundred fifty-two".