6396530156 has 6 divisors (see below), whose sum is σ = 11193927780. Its totient is φ = 3198265076.

The previous prime is 6396530149. The next prime is 6396530201. The reversal of 6396530156 is 6510356936.

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 as a sum of consecutive naturals, namely, 799566266 + ... + 799566273.

It is an arithmetic number, because the mean of its divisors is an integer number (1865654630).

Almost surely, 2^6396530156 is an apocalyptic number.

It is an amenable number.

6396530156 is a deficient number, since it is larger than the sum of its proper divisors (4797397624).

6396530156 is a wasteful number, since it uses less digits than its factorization.

6396530156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599132543 (or 1599132541 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 44.

The square root of 6396530156 is about 79978.3105347944. The cubic root of 6396530156 is about 1856.2999396813.

The spelling of 6396530156 in words is "six billion, three hundred ninety-six million, five hundred thirty thousand, one hundred fifty-six".