167351355397 has 4 divisors (see below), whose sum is σ = 173122091820. Its totient is φ = 161580618976.

The previous prime is 167351355377. The next prime is 167351355421. The reversal of 167351355397 is 793553153761.

It is a happy number.

It is a Cunningham number, because it is equal to 409086²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 793553153761 = 31 ⋅25598488831.

It can be written as a sum of positive squares in 2 ways, for example, as 87754582756 + 79596772641 = 296234^2 + 282129^2 .

It is a cyclic number.

It is not a de Polignac number, because 167351355397 - 2¹⁵ = 167351322629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167351355377) 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, 2885368168 + ... + 2885368225.

It is an arithmetic number, because the mean of its divisors is an integer number (43280522955).

Almost surely, 2^167351355397 is an apocalyptic number.

It is an amenable number.

167351355397 is a deficient number, since it is larger than the sum of its proper divisors (5770736423).

167351355397 is an equidigital number, since it uses as much as digits as its factorization.

167351355397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770736422.

The product of its digits is 8930250, while the sum is 55.

The spelling of 167351355397 in words is "one hundred sixty-seven billion, three hundred fifty-one million, three hundred fifty-five thousand, three hundred ninety-seven".