1957164514066 has 8 divisors (see below), whose sum is σ = 3015091278540. Its totient is φ = 952134087888.

The previous prime is 1957164514057. The next prime is 1957164514169. The reversal of 1957164514066 is 6604154617591.

It can be written as a sum of positive squares in 2 ways, for example, as 1611160569225 + 346003944841 = 1269315^2 + 588221^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1957164513998 and 1957164514016.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13224084481 + ... + 13224084628.

Almost surely, 2^{1957164514066} is an apocalyptic number.

1957164514066 is a deficient number, since it is larger than the sum of its proper divisors (1057926764474).

1957164514066 is a wasteful number, since it uses less digits than its factorization.

1957164514066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26448169148.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 1957164514066 in words is "one trillion, nine hundred fifty-seven billion, one hundred sixty-four million, five hundred fourteen thousand, sixty-six".