2657823520416 has 48 divisors (see below), whose sum is σ = 7139037606624. Its totient is φ = 865337889024.

The previous prime is 2657823520409. The next prime is 2657823520423. The reversal of 2657823520416 is 6140253287562.

It is an interprime number because it is at equal distance from previous prime (2657823520409) and next prime (2657823520423).

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321922171 + ... + 321930426.

It is an arithmetic number, because the mean of its divisors is an integer number (148729950138).

Almost surely, 2^{2657823520416} is an apocalyptic number.

It is an amenable number.

2657823520416 is an abundant number, since it is smaller than the sum of its proper divisors (4481214086208).

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

2657823520416 is a wasteful number, since it uses less digits than its factorization.

2657823520416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643852653 (or 643852645 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 2657823520416 in words is "two trillion, six hundred fifty-seven billion, eight hundred twenty-three million, five hundred twenty thousand, four hundred sixteen".