16907507394685 has 16 divisors (see below), whose sum is σ = 20482305156720. Its totient is φ = 13397302517760.

The previous prime is 16907507394677. The next prime is 16907507394737. The reversal of 16907507394685 is 58649370570961.

It can be written as a sum of positive squares in 8 ways, for example, as 2237887345849 + 14669620048836 = 1495957^2 + 3830094^2 .

It is not a de Polignac number, because 16907507394685 - 2³ = 16907507394677 is a prime.

It is a super-3 number, since 3×16907507394685³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9207336 + ... + 10889905.

It is an arithmetic number, because the mean of its divisors is an integer number (1280144072295).

Almost surely, 2^{16907507394685} is an apocalyptic number.

It is an amenable number.

16907507394685 is a deficient number, since it is larger than the sum of its proper divisors (3574797762035).

16907507394685 is a wasteful number, since it uses less digits than its factorization.

16907507394685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20098848.

The product of its (nonzero) digits is 342921600, while the sum is 70.

The spelling of 16907507394685 in words is "sixteen trillion, nine hundred seven billion, five hundred seven million, three hundred ninety-four thousand, six hundred eighty-five".