2054536541668 has 24 divisors (see below), whose sum is σ = 3902499464192. Its totient is φ = 940781114784.

The previous prime is 2054536541663. The next prime is 2054536541669. The reversal of 2054536541668 is 8661456354502.

It is a happy number.

It is a super-2 number, since 2×2054536541668² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2054536541663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155545830 + ... + 155559037.

Almost surely, 2^{2054536541668} is an apocalyptic number.

It is an amenable number.

2054536541668 is a deficient number, since it is larger than the sum of its proper divisors (1847962922524).

2054536541668 is a wasteful number, since it uses less digits than its factorization.

2054536541668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311105011 (or 311105009 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 55.

The spelling of 2054536541668 in words is "two trillion, fifty-four billion, five hundred thirty-six million, five hundred forty-one thousand, six hundred sixty-eight".