2154006332188 has 12 divisors (see below), whose sum is σ = 3857174130040. Its totient is φ = 1051956580752.

The previous prime is 2154006332119. The next prime is 2154006332227. The reversal of 2154006332188 is 8812336004512.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6261646143 + ... + 6261646486.

Almost surely, 2^{2154006332188} is an apocalyptic number.

It is an amenable number.

2154006332188 is a deficient number, since it is larger than the sum of its proper divisors (1703167797852).

2154006332188 is a wasteful number, since it uses less digits than its factorization.

2154006332188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12523292676 (or 12523292674 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 2154006332188 in words is "two trillion, one hundred fifty-four billion, six million, three hundred thirty-two thousand, one hundred eighty-eight".