2550670664 has 8 divisors (see below), whose sum is σ = 4782507510. Its totient is φ = 1275335328.

The previous prime is 2550670651. The next prime is 2550670693. The reversal of 2550670664 is 4660760552.

It can be written as a sum of positive squares in only one way, i.e., 2348177764 + 202492900 = 48458^2 + 14230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159416909 + ... + 159416924.

Almost surely, 2^2550670664 is an apocalyptic number.

It is an amenable number.

2550670664 is a deficient number, since it is larger than the sum of its proper divisors (2231836846).

2550670664 is a wasteful number, since it uses less digits than its factorization.

2550670664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318833839 (or 318833835 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 2550670664 is about 50504.1648183593. The cubic root of 2550670664 is about 1366.3169700040.

The spelling of 2550670664 in words is "two billion, five hundred fifty million, six hundred seventy thousand, six hundred sixty-four".