2146681057 has 8 divisors (see below), whose sum is σ = 2242094400. Its totient is φ = 2051441040.

The previous prime is 2146681051. The next prime is 2146681091. The reversal of 2146681057 is 7501866412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2146681057 - 2³ = 2146681049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2146681051) 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 7 ways as a sum of consecutive naturals, for example, 17682 + ... + 67867.

It is an arithmetic number, because the mean of its divisors is an integer number (280261800).

Almost surely, 2^2146681057 is an apocalyptic number.

It is an amenable number.

2146681057 is a deficient number, since it is larger than the sum of its proper divisors (95413343).

2146681057 is a wasteful number, since it uses less digits than its factorization.

2146681057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86663.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 2146681057 is about 46332.2895721763. The cubic root of 2146681057 is about 1289.9984089478.

The spelling of 2146681057 in words is "two billion, one hundred forty-six million, six hundred eighty-one thousand, fifty-seven".