2051574168 has 32 divisors (see below), whose sum is σ = 5861640960. Its totient is φ = 586164000.

The previous prime is 2051574167. The next prime is 2051574179. The reversal of 2051574168 is 8614751502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051574167) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 6105708 + ... + 6106043.

It is an arithmetic number, because the mean of its divisors is an integer number (183176280).

Almost surely, 2^2051574168 is an apocalyptic number.

2051574168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2051574168 is an abundant number, since it is smaller than the sum of its proper divisors (3810066792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051574168 is a wasteful number, since it uses less digits than its factorization.

2051574168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12211767 (or 12211763 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 2051574168 is about 45294.3061322281. The cubic root of 2051574168 is about 1270.6591671861.

The spelling of 2051574168 in words is "two billion, fifty-one million, five hundred seventy-four thousand, one hundred sixty-eight".