2102897054916 has 480 divisors, whose sum is σ = 6679943424000. Its totient is φ = 563511168000.

The previous prime is 2102897054891. The next prime is 2102897054917. The reversal of 2102897054916 is 6194507982012.

It is a happy number.

2102897054916 is a `hidden beast` number, since 2 + 1 + 0 + 2 + 8 + 97 + 0 + 549 + 1 + 6 = 666.

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 (2102897054917) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2152401820 + ... + 2152402796.

It is an arithmetic number, because the mean of its divisors is an integer number (13916548800).

Almost surely, 2^{2102897054916} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102897054916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3339971712000).

2102897054916 is an abundant number, since it is smaller than the sum of its proper divisors (4577046369084).

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

2102897054916 is a wasteful number, since it uses less digits than its factorization.

2102897054916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 2102897054916 in words is "two trillion, one hundred two billion, eight hundred ninety-seven million, fifty-four thousand, nine hundred sixteen".