7148606685 has 16 divisors (see below), whose sum is σ = 12477568320. Its totient is φ = 3465991040.

The previous prime is 7148606657. The next prime is 7148606693. The reversal of 7148606685 is 5866068417.

It is not a de Polignac number, because 7148606685 - 2⁹ = 7148606173 is a prime.

It is a super-2 number, since 2×7148606685² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21662280 + ... + 21662609.

It is an arithmetic number, because the mean of its divisors is an integer number (779848020).

Almost surely, 2^7148606685 is an apocalyptic number.

It is an amenable number.

7148606685 is a deficient number, since it is larger than the sum of its proper divisors (5328961635).

7148606685 is a wasteful number, since it uses less digits than its factorization.

7148606685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43324908.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 7148606685 is about 84549.4333807152. The cubic root of 7148606685 is about 1926.3733773928.

The spelling of 7148606685 in words is "seven billion, one hundred forty-eight million, six hundred six thousand, six hundred eighty-five".