6498163694 has 16 divisors (see below), whose sum is σ = 10859602176. Its totient is φ = 2890865400.

The previous prime is 6498163667. The next prime is 6498163733. The reversal of 6498163694 is 4963618946.

It is a happy number.

It is a super-2 number, since 2×6498163694² = 84452262788039451272, which contains 22 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3141212 + ... + 3143279.

It is an arithmetic number, because the mean of its divisors is an integer number (678725136).

Almost surely, 2^6498163694 is an apocalyptic number.

6498163694 is a deficient number, since it is larger than the sum of its proper divisors (4361438482).

6498163694 is a wasteful number, since it uses less digits than its factorization.

6498163694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6284551.

The product of its digits is 6718464, while the sum is 56.

The square root of 6498163694 is about 80611.1883921829. The cubic root of 6498163694 is about 1866.0798174298.

The spelling of 6498163694 in words is "six billion, four hundred ninety-eight million, one hundred sixty-three thousand, six hundred ninety-four".