2154506347608 has 64 divisors (see below), whose sum is σ = 5394492829440. Its totient is φ = 717072614784.

The previous prime is 2154506347607. The next prime is 2154506347633. The reversal of 2154506347608 is 8067436054512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154506347603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48412135 + ... + 48456617.

It is an arithmetic number, because the mean of its divisors is an integer number (84288950460).

Almost surely, 2^{2154506347608} is an apocalyptic number.

It is an amenable number.

2154506347608 is an abundant number, since it is smaller than the sum of its proper divisors (3239986481832).

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

2154506347608 is a wasteful number, since it uses less digits than its factorization.

2154506347608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47528 (or 47524 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 2154506347608 in words is "two trillion, one hundred fifty-four billion, five hundred six million, three hundred forty-seven thousand, six hundred eight".