6681650102 has 4 divisors (see below), whose sum is σ = 10022475156. Its totient is φ = 3340825050.

The previous prime is 6681650099. The next prime is 6681650123. The reversal of 6681650102 is 2010561866.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2010561866 = 2 ⋅1005280933.

It is a super-2 number, since 2×6681650102² = 89288896171113220808, 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 as a sum of consecutive naturals, namely, 1670412524 + ... + 1670412527.

It is an arithmetic number, because the mean of its divisors is an integer number (2505618789).

Almost surely, 2^6681650102 is an apocalyptic number.

6681650102 is a deficient number, since it is larger than the sum of its proper divisors (3340825054).

6681650102 is a wasteful number, since it uses less digits than its factorization.

6681650102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340825053.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 6681650102 is about 81741.3610236580. The cubic root of 6681650102 is about 1883.4809979989.

The spelling of 6681650102 in words is "six billion, six hundred eighty-one million, six hundred fifty thousand, one hundred two".