6646233802 has 16 divisors (see below), whose sum is σ = 10742636520. Its totient is φ = 3065660352.

The previous prime is 6646233731. The next prime is 6646233821. The reversal of 6646233802 is 2083326466.

It can be written as a sum of positive squares in 4 ways, for example, as 4056543481 + 2589690321 = 63691^2 + 50889^2 .

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, 31477 + ... + 119512.

Almost surely, 2^6646233802 is an apocalyptic number.

6646233802 is a deficient number, since it is larger than the sum of its proper divisors (4096402718).

6646233802 is a wasteful number, since it uses less digits than its factorization.

6646233802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152697.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 6646233802 is about 81524.4368395146. The cubic root of 6646233802 is about 1880.1472838059.

The spelling of 6646233802 in words is "six billion, six hundred forty-six million, two hundred thirty-three thousand, eight hundred two".