2141660246257 has 4 divisors (see below), whose sum is σ = 2447611710016. Its totient is φ = 1835708782500.

The previous prime is 2141660246237. The next prime is 2141660246281. The reversal of 2141660246257 is 7526420661412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2141660246257 - 2³¹ = 2139512762609 is a prime.

It is a super-2 number, since 2×2141660246257² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2141660246227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152975731869 + ... + 152975731882.

It is an arithmetic number, because the mean of its divisors is an integer number (611902927504).

Almost surely, 2^{2141660246257} is an apocalyptic number.

It is an amenable number.

2141660246257 is a deficient number, since it is larger than the sum of its proper divisors (305951463759).

2141660246257 is an equidigital number, since it uses as much as digits as its factorization.

2141660246257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305951463758.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 2141660246257 in words is "two trillion, one hundred forty-one billion, six hundred sixty million, two hundred forty-six thousand, two hundred fifty-seven".