6532123646 has 16 divisors (see below), whose sum is σ = 10129950720. Its totient is φ = 3155800440.

The previous prime is 6532123603. The next prime is 6532123667. The reversal of 6532123646 is 6463212356.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41306 + ... + 121533.

It is an arithmetic number, because the mean of its divisors is an integer number (633121920).

Almost surely, 2^6532123646 is an apocalyptic number.

6532123646 is a deficient number, since it is larger than the sum of its proper divisors (3597827074).

6532123646 is a wasteful number, since it uses less digits than its factorization.

6532123646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163519.

The product of its digits is 155520, while the sum is 38.

The square root of 6532123646 is about 80821.5543404109. The cubic root of 6532123646 is about 1869.3249344424.

The spelling of 6532123646 in words is "six billion, five hundred thirty-two million, one hundred twenty-three thousand, six hundred forty-six".