16666666350 has 24 divisors (see below), whose sum is σ = 41333332920. Its totient is φ = 4444444320.

The previous prime is 16666666343. The next prime is 16666666361. The reversal of 16666666350 is 5366666661.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16666666293 and 16666666302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55555405 + ... + 55555704.

It is an arithmetic number, because the mean of its divisors is an integer number (1722222205).

Almost surely, 2^16666666350 is an apocalyptic number.

16666666350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16666666350 is an abundant number, since it is smaller than the sum of its proper divisors (24666666570).

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

16666666350 is a wasteful number, since it uses less digits than its factorization.

16666666350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111124 (or 111111119 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 51.

The spelling of 16666666350 in words is "sixteen billion, six hundred sixty-six million, six hundred sixty-six thousand, three hundred fifty".