2157130032466 has 16 divisors (see below), whose sum is σ = 3297294175680. Its totient is φ = 1058107050000.

The previous prime is 2157130032451. The next prime is 2157130032511. The reversal of 2157130032466 is 6642300317512.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18711285 + ... + 18826216.

It is an arithmetic number, because the mean of its divisors is an integer number (206080885980).

Almost surely, 2^{2157130032466} is an apocalyptic number.

2157130032466 is a deficient number, since it is larger than the sum of its proper divisors (1140164143214).

2157130032466 is a wasteful number, since it uses less digits than its factorization.

2157130032466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37538049.

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 2157130032466 its reverse (6642300317512), we get a palindrome (8799430349978).

The spelling of 2157130032466 in words is "two trillion, one hundred fifty-seven billion, one hundred thirty million, thirty-two thousand, four hundred sixty-six".