2154494168748 has 36 divisors (see below), whose sum is σ = 5585765170440. Its totient is φ = 718159638240.

The previous prime is 2154494168611. The next prime is 2154494168791. The reversal of 2154494168748 is 8478614944512.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2154494168748 is a `hidden beast` number, since 2 + 1 + 54 + 494 + 16 + 87 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15183408 + ... + 15324648.

Almost surely, 2^{2154494168748} is an apocalyptic number.

It is an amenable number.

2154494168748 is an abundant number, since it is smaller than the sum of its proper divisors (3431271001692).

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

2154494168748 is an frugal number, since it uses more digits than its factorization.

2154494168748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282495 (or 141246 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 63.

The spelling of 2154494168748 in words is "two trillion, one hundred fifty-four billion, four hundred ninety-four million, one hundred sixty-eight thousand, seven hundred forty-eight".