2154551136633 has 12 divisors (see below), whose sum is σ = 3556719336768. Its totient is φ = 1231172078040.

The previous prime is 2154551136629. The next prime is 2154551136659. The reversal of 2154551136633 is 3366311554512.

2154551136633 is a `hidden beast` number, since 2 + 1 + 5 + 4 + 5 + 5 + 1 + 1 + 3 + 6 + 633 = 666.

It is not a de Polignac number, because 2154551136633 - 2² = 2154551136629 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2154551146633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17099612133 + ... + 17099612258.

It is an arithmetic number, because the mean of its divisors is an integer number (296393278064).

Almost surely, 2^{2154551136633} is an apocalyptic number.

It is an amenable number.

2154551136633 is a deficient number, since it is larger than the sum of its proper divisors (1402168200135).

2154551136633 is a wasteful number, since it uses less digits than its factorization.

2154551136633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34199224404 (or 34199224401 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The spelling of 2154551136633 in words is "two trillion, one hundred fifty-four billion, five hundred fifty-one million, one hundred thirty-six thousand, six hundred thirty-three".