2170366672 has 10 divisors (see below), whose sum is σ = 4205085458. Its totient is φ = 1085183328.

The previous prime is 2170366661. The next prime is 2170366703. The reversal of 2170366672 is 2766630712.

It can be written as a sum of positive squares in only one way, i.e., 1817828496 + 352538176 = 42636^2 + 18776^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67823943 + ... + 67823974.

Almost surely, 2^2170366672 is an apocalyptic number.

It is an amenable number.

2170366672 is a deficient number, since it is larger than the sum of its proper divisors (2034718786).

2170366672 is a wasteful number, since it uses less digits than its factorization.

2170366672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135647925 (or 135647919 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 2170366672 is about 46587.1942919940. The cubic root of 2170366672 is about 1294.7255068349.

The spelling of 2170366672 in words is "two billion, one hundred seventy million, three hundred sixty-six thousand, six hundred seventy-two".