16554870373779 has 32 divisors (see below), whose sum is σ = 26939021222400. Its totient is φ = 10001111614560.

The previous prime is 16554870373757. The next prime is 16554870373781. The reversal of 16554870373779 is 97737307845561.

16554870373779 is a `hidden beast` number, since 1 + 6 + 5 + 5 + 487 + 0 + 3 + 73 + 7 + 79 = 666.

It is not a de Polignac number, because 16554870373779 - 2⁵ = 16554870373747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16554870373879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701525212 + ... + 701548809.

It is an arithmetic number, because the mean of its divisors is an integer number (841844413200).

Almost surely, 2^{16554870373779} is an apocalyptic number.

16554870373779 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

16554870373779 is a deficient number, since it is larger than the sum of its proper divisors (10384150848621).

16554870373779 is a wasteful number, since it uses less digits than its factorization.

16554870373779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403074072 (or 1403074066 counting only the distinct ones).

The product of its (nonzero) digits is 933508800, while the sum is 72.

The spelling of 16554870373779 in words is "sixteen trillion, five hundred fifty-four billion, eight hundred seventy million, three hundred seventy-three thousand, seven hundred seventy-nine".