172966055542337 has 4 divisors (see below), whose sum is σ = 177640813800276. Its totient is φ = 168291297284400.

The previous prime is 172966055542277. The next prime is 172966055542453. The reversal of 172966055542337 is 733245550669271.

It is a Cunningham number, because it is equal to 13151656²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 154772409851536 + 18193645690801 = 12440756^2 + 4265401^2 .

It is a cyclic number.

It is not a de Polignac number, because 172966055542337 - 2¹⁴ = 172966055525953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172966255542337) 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, 2337379128914 + ... + 2337379128987.

It is an arithmetic number, because the mean of its divisors is an integer number (44410203450069).

Almost surely, 2^{172966055542337} is an apocalyptic number.

It is an amenable number.

172966055542337 is a deficient number, since it is larger than the sum of its proper divisors (4674758257939).

172966055542337 is an equidigital number, since it uses as much as digits as its factorization.

172966055542337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4674758257938.

The product of its (nonzero) digits is 285768000, while the sum is 65.

The spelling of 172966055542337 in words is "one hundred seventy-two trillion, nine hundred sixty-six billion, fifty-five million, five hundred forty-two thousand, three hundred thirty-seven".