2168728198048 has 48 divisors (see below), whose sum is σ = 4521403514880. Its totient is φ = 1020451101696.

The previous prime is 2168728198001. The next prime is 2168728198103. The reversal of 2168728198048 is 8408918278612.

It is a super-2 number, since 2×2168728198048² (a number of 25 digits) contains 22 as substring.

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, 4205665 + ... + 4693087.

It is an arithmetic number, because the mean of its divisors is an integer number (94195906560).

Almost surely, 2^{2168728198048} is an apocalyptic number.

It is an amenable number.

2168728198048 is an abundant number, since it is smaller than the sum of its proper divisors (2352675316832).

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

2168728198048 is a wasteful number, since it uses less digits than its factorization.

2168728198048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495629 (or 495621 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 64.

The spelling of 2168728198048 in words is "two trillion, one hundred sixty-eight billion, seven hundred twenty-eight million, one hundred ninety-eight thousand, forty-eight".