168075377 has 4 divisors (see below), whose sum is σ = 168115200. Its totient is φ = 168035556.

The previous prime is 168075371. The next prime is 168075403. The reversal of 168075377 is 773570861.

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, and also an emirpimes, since its reverse is a distinct semiprime: 773570861 = 7 ⋅110510123.

It is a cyclic number.

It is not a de Polignac number, because 168075377 - 2¹⁴ = 168058993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168075371) 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, 12713 + ... + 22310.

It is an arithmetic number, because the mean of its divisors is an integer number (42028800).

Almost surely, 2^168075377 is an apocalyptic number.

It is an amenable number.

168075377 is a deficient number, since it is larger than the sum of its proper divisors (39823).

168075377 is an equidigital number, since it uses as much as digits as its factorization.

168075377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39822.

The product of its (nonzero) digits is 246960, while the sum is 44.

The square root of 168075377 is about 12964.3888016366. The cubic root of 168075377 is about 551.8673465197.

The spelling of 168075377 in words is "one hundred sixty-eight million, seventy-five thousand, three hundred seventy-seven".