992105187534 has 12 divisors (see below), whose sum is σ = 2149561239696. Its totient is φ = 330701729172.

The previous prime is 992105187523. The next prime is 992105187547. The reversal of 992105187534 is 435781501299.

It is a happy number.

992105187534 is a `hidden beast` number, since 9 + 9 + 21 + 0 + 5 + 1 + 87 + 534 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27558477414 + ... + 27558477449.

It is an arithmetic number, because the mean of its divisors is an integer number (179130103308).

Almost surely, 2^992105187534 is an apocalyptic number.

992105187534 is an abundant number, since it is smaller than the sum of its proper divisors (1157456052162).

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

992105187534 is a wasteful number, since it uses less digits than its factorization.

992105187534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55116954871 (or 55116954868 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 992105187534 in words is "nine hundred ninety-two billion, one hundred five million, one hundred eighty-seven thousand, five hundred thirty-four".