2140154999164 has 96 divisors (see below), whose sum is σ = 4707255168000. Its totient is φ = 846003533760.

The previous prime is 2140154999153. The next prime is 2140154999207. The reversal of 2140154999164 is 4619994510412.

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 31 ways as a sum of consecutive naturals, for example, 23480199 + ... + 23571169.

It is an arithmetic number, because the mean of its divisors is an integer number (49033908000).

Almost surely, 2^{2140154999164} 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 2140154999164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2353627584000).

2140154999164 is an abundant number, since it is smaller than the sum of its proper divisors (2567100168836).

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

2140154999164 is a wasteful number, since it uses less digits than its factorization.

2140154999164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92328 (or 92312 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 2140154999164 in words is "two trillion, one hundred forty billion, one hundred fifty-four million, nine hundred ninety-nine thousand, one hundred sixty-four".