1683232165257 has 4 divisors (see below), whose sum is σ = 2244309553680. Its totient is φ = 1122154776836.

The previous prime is 1683232165231. The next prime is 1683232165309. The reversal of 1683232165257 is 7525612323861.

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 1683232165257 - 2¹⁶ = 1683232099721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1683232165207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280538694207 + ... + 280538694212.

It is an arithmetic number, because the mean of its divisors is an integer number (561077388420).

Almost surely, 2^{1683232165257} is an apocalyptic number.

It is an amenable number.

1683232165257 is a deficient number, since it is larger than the sum of its proper divisors (561077388423).

1683232165257 is an equidigital number, since it uses as much as digits as its factorization.

1683232165257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561077388422.

The product of its digits is 3628800, while the sum is 51.

The spelling of 1683232165257 in words is "one trillion, six hundred eighty-three billion, two hundred thirty-two million, one hundred sixty-five thousand, two hundred fifty-seven".