16555266460346 has 4 divisors (see below), whose sum is σ = 24832899690522. Its totient is φ = 8277633230172.

The previous prime is 16555266460301. The next prime is 16555266460387. The reversal of 16555266460346 is 64306466255561.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13912564302025 + 2642702158321 = 3729955^2 + 1625639^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4138816615085 + ... + 4138816615088.

Almost surely, 2^{16555266460346} is an apocalyptic number.

16555266460346 is a deficient number, since it is larger than the sum of its proper divisors (8277633230176).

16555266460346 is an equidigital number, since it uses as much as digits as its factorization.

16555266460346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8277633230175.

The product of its (nonzero) digits is 93312000, while the sum is 59.

The spelling of 16555266460346 in words is "sixteen trillion, five hundred fifty-five billion, two hundred sixty-six million, four hundred sixty thousand, three hundred forty-six".