6432652066 has 16 divisors (see below), whose sum is σ = 10232245944. Its totient is φ = 3022484224.

The previous prime is 6432652007. The next prime is 6432652067. The reversal of 6432652066 is 6602562346.

It can be written as a sum of positive squares in 4 ways, for example, as 6428672041 + 3980025 = 80179^2 + 1995^2 .

It is not an unprimeable number, because it can be changed into a prime (6432652067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122665 + ... + 167068.

Almost surely, 2^6432652066 is an apocalyptic number.

6432652066 is a deficient number, since it is larger than the sum of its proper divisors (3799593878).

6432652066 is a wasteful number, since it uses less digits than its factorization.

6432652066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290405.

The product of its (nonzero) digits is 311040, while the sum is 40.

The square root of 6432652066 is about 80203.8157820437. The cubic root of 6432652066 is about 1859.7876261549.

The spelling of 6432652066 in words is "six billion, four hundred thirty-two million, six hundred fifty-two thousand, sixty-six".