2670065644 has 6 divisors (see below), whose sum is σ = 4672614884. Its totient is φ = 1335032820.

The previous prime is 2670065633. The next prime is 2670065677. The reversal of 2670065644 is 4465600762.

It is a junction number, because it is equal to n+sod(n) for n = 2670065597 and 2670065606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333758202 + ... + 333758209.

Almost surely, 2^2670065644 is an apocalyptic number.

It is an amenable number.

2670065644 is a deficient number, since it is larger than the sum of its proper divisors (2002549240).

2670065644 is a wasteful number, since it uses less digits than its factorization.

2670065644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667516415 (or 667516413 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 2670065644 is about 51672.6779255730. The cubic root of 2670065644 is about 1387.3114783661.

The spelling of 2670065644 in words is "two billion, six hundred seventy million, sixty-five thousand, six hundred forty-four".