149873497716864 has 256 divisors, whose sum is σ = 441151464948480. Its totient is φ = 44841354657792.

The previous prime is 149873497716863. The next prime is 149873497716869. The reversal of 149873497716864 is 468617794378941.

It is not an unprimeable number, because it can be changed into a prime (149873497716863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49117522 + ... + 52079534.

It is an arithmetic number, because the mean of its divisors is an integer number (1723247909955).

Almost surely, 2^{149873497716864} 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 149873497716864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220575732474240).

149873497716864 is an abundant number, since it is smaller than the sum of its proper divisors (291277967231616).

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

149873497716864 is a wasteful number, since it uses less digits than its factorization.

149873497716864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962407 (or 2962395 counting only the distinct ones).

The product of its digits is 12290310144, while the sum is 84.

The spelling of 149873497716864 in words is "one hundred forty-nine trillion, eight hundred seventy-three billion, four hundred ninety-seven million, seven hundred sixteen thousand, eight hundred sixty-four".