16775394004 has 48 divisors (see below), whose sum is σ = 30159637200. Its totient is φ = 8161320960.

The previous prime is 16775393993. The next prime is 16775394029. The reversal of 16775394004 is 40049357761.

It can be written as a sum of positive squares in 8 ways, for example, as 288320400 + 16487073604 = 16980^2 + 128402^2 .

It is a super-3 number, since 3×16775394004³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15991272 + ... + 15992320.

It is an arithmetic number, because the mean of its divisors is an integer number (628325775).

Almost surely, 2^16775394004 is an apocalyptic number.

It is an amenable number.

16775394004 is a deficient number, since it is larger than the sum of its proper divisors (13384243196).

16775394004 is a wasteful number, since it uses less digits than its factorization.

16775394004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 16775394004 in words is "sixteen billion, seven hundred seventy-five million, three hundred ninety-four thousand, four".