298898661672 has 384 divisors, whose sum is σ = 960017909760. Its totient is φ = 83136430080.

The previous prime is 298898661647. The next prime is 298898661673. The reversal of 298898661672 is 276166898892.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 298898661672.

It is not an unprimeable number, because it can be changed into a prime (298898661673) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67576053 + ... + 67580475.

It is an arithmetic number, because the mean of its divisors is an integer number (2500046640).

Almost surely, 2^298898661672 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 298898661672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (480008954880).

298898661672 is an abundant number, since it is smaller than the sum of its proper divisors (661119248088).

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

298898661672 is a wasteful number, since it uses less digits than its factorization.

298898661672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633 (or 4626 counting only the distinct ones).

The product of its digits is 250822656, while the sum is 72.

The spelling of 298898661672 in words is "two hundred ninety-eight billion, eight hundred ninety-eight million, six hundred sixty-one thousand, six hundred seventy-two".