18967312048902 has 192 divisors, whose sum is σ = 44872760401920. Its totient is φ = 5328520243200.

The previous prime is 18967312048897. The next prime is 18967312048967. The reversal of 18967312048902 is 20984021376981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5593425627 + ... + 5593429017.

It is an arithmetic number, because the mean of its divisors is an integer number (233712293760).

Almost surely, 2^{18967312048902} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18967312048902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22436380200960).

18967312048902 is an abundant number, since it is smaller than the sum of its proper divisors (25905448353018).

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

18967312048902 is a wasteful number, since it uses less digits than its factorization.

18967312048902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 18967312048902 in words is "eighteen trillion, nine hundred sixty-seven billion, three hundred twelve million, forty-eight thousand, nine hundred two".