101812366788 has 192 divisors, whose sum is σ = 268423787520. Its totient is φ = 29774131200.

The previous prime is 101812366771. The next prime is 101812366879. The reversal of 101812366788 is 887663218101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101812366788.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 115564108 + ... + 115564988.

It is an arithmetic number, because the mean of its divisors is an integer number (1398040560).

Almost surely, 2^101812366788 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 101812366788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134211893760).

101812366788 is an abundant number, since it is smaller than the sum of its proper divisors (166611420732).

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

101812366788 is a wasteful number, since it uses less digits than its factorization.

101812366788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 1216 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 51.

The spelling of 101812366788 in words is "one hundred one billion, eight hundred twelve million, three hundred sixty-six thousand, seven hundred eighty-eight".