16690334775 has 24 divisors (see below), whose sum is σ = 27628399824. Its totient is φ = 8890636800.

The previous prime is 16690334761. The next prime is 16690334833. The reversal of 16690334775 is 57743309661.

It is not a de Polignac number, because 16690334775 - 2⁸ = 16690334519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73954 + ... + 197103.

It is an arithmetic number, because the mean of its divisors is an integer number (1151183326).

Almost surely, 2^16690334775 is an apocalyptic number.

16690334775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16690334775 is a deficient number, since it is larger than the sum of its proper divisors (10938065049).

16690334775 is a wasteful number, since it uses less digits than its factorization.

16690334775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271891 (or 271886 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 16690334775 in words is "sixteen billion, six hundred ninety million, three hundred thirty-four thousand, seven hundred seventy-five".