16555106090 has 16 divisors (see below), whose sum is σ = 31552084872. Its totient is φ = 6232510464.

The previous prime is 16555106059. The next prime is 16555106101. The reversal of 16555106090 is 9060155561.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12317226289 + 4237879801 = 110983^2 + 65099^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48691319 + ... + 48691658.

Almost surely, 2^16555106090 is an apocalyptic number.

16555106090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16555106090 is a deficient number, since it is larger than the sum of its proper divisors (14996978782).

16555106090 is a wasteful number, since it uses less digits than its factorization.

16555106090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97383001.

The product of its (nonzero) digits is 40500, while the sum is 38.

The spelling of 16555106090 in words is "sixteen billion, five hundred fifty-five million, one hundred six thousand, ninety".