16555276773376 has 48 divisors (see below), whose sum is σ = 36111785411520. Its totient is φ = 7525125795840.

The previous prime is 16555276773323. The next prime is 16555276773377. The reversal of 16555276773376 is 67337767255561.

It is not an unprimeable number, because it can be changed into a prime (16555276773377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367415256 + ... + 367460311.

It is an arithmetic number, because the mean of its divisors is an integer number (752328862740).

Almost surely, 2^{16555276773376} is an apocalyptic number.

16555276773376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16555276773376 is an abundant number, since it is smaller than the sum of its proper divisors (19556508638144).

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

16555276773376 is an equidigital number, since it uses as much as digits as its factorization.

16555276773376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734875600 (or 734875580 counting only the distinct ones).

The product of its digits is 1166886000, while the sum is 70.

The spelling of 16555276773376 in words is "sixteen trillion, five hundred fifty-five billion, two hundred seventy-six million, seven hundred seventy-three thousand, three hundred seventy-six".