16554540021470 has 32 divisors (see below), whose sum is σ = 32513005117440. Its totient is φ = 6018738596640.

The previous prime is 16554540021443. The next prime is 16554540021493. The reversal of 16554540021470 is 7412004545561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13068650 + ... + 14279309.

It is an arithmetic number, because the mean of its divisors is an integer number (1016031409920).

Almost surely, 2^{16554540021470} is an apocalyptic number.

16554540021470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16554540021470 is a deficient number, since it is larger than the sum of its proper divisors (15958465095970).

16554540021470 is a wasteful number, since it uses less digits than its factorization.

16554540021470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27353480.

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 16554540021470 in words is "sixteen trillion, five hundred fifty-four billion, five hundred forty million, twenty-one thousand, four hundred seventy".