2196654325680 has 80 divisors (see below), whose sum is σ = 6809776646400. Its totient is φ = 585761735424.

The previous prime is 2196654325571. The next prime is 2196654325687. The reversal of 2196654325680 is 865234566912.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 2196654325680.

It is not an unprimeable number, because it can be changed into a prime (2196654325687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17178621 + ... + 17306019.

It is an arithmetic number, because the mean of its divisors is an integer number (85122208080).

Almost surely, 2^{2196654325680} is an apocalyptic number.

2196654325680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196654325680 is an abundant number, since it is smaller than the sum of its proper divisors (4613122320720).

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

2196654325680 is a wasteful number, since it uses less digits than its factorization.

2196654325680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199258 (or 199252 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 57.

The spelling of 2196654325680 in words is "two trillion, one hundred ninety-six billion, six hundred fifty-four million, three hundred twenty-five thousand, six hundred eighty".