2646533156 has 12 divisors (see below), whose sum is σ = 4791137820. Its totient is φ = 1277636640.

The previous prime is 2646533137. The next prime is 2646533171. The reversal of 2646533156 is 6513356462.

It can be written as a sum of positive squares in 2 ways, for example, as 1741726756 + 904806400 = 41734^2 + 30080^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 11407355 + ... + 11407586.

It is an arithmetic number, because the mean of its divisors is an integer number (399261485).

Almost surely, 2^2646533156 is an apocalyptic number.

It is an amenable number.

2646533156 is a deficient number, since it is larger than the sum of its proper divisors (2144604664).

2646533156 is a wasteful number, since it uses less digits than its factorization.

2646533156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22814974 (or 22814972 counting only the distinct ones).

The product of its digits is 388800, while the sum is 41.

The square root of 2646533156 is about 51444.4667189777. The cubic root of 2646533156 is about 1383.2237794049.

The spelling of 2646533156 in words is "two billion, six hundred forty-six million, five hundred thirty-three thousand, one hundred fifty-six".