2051668367 has 12 divisors (see below), whose sum is σ = 2392953480. Its totient is φ = 1753916976.

The previous prime is 2051668361. The next prime is 2051668369. The reversal of 2051668367 is 7638661502.

It is not a de Polignac number, because 2051668367 - 2⁴ = 2051668351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051668361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36668 + ... + 73809.

It is an arithmetic number, because the mean of its divisors is an integer number (199412790).

Almost surely, 2^2051668367 is an apocalyptic number.

2051668367 is a deficient number, since it is larger than the sum of its proper divisors (341285113).

2051668367 is a wasteful number, since it uses less digits than its factorization.

2051668367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110870 (or 110863 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 2051668367 is about 45295.3459750558. The cubic root of 2051668367 is about 1270.6786145277.

The spelling of 2051668367 in words is "two billion, fifty-one million, six hundred sixty-eight thousand, three hundred sixty-seven".