168752097 has 12 divisors (see below), whose sum is σ = 244526100. Its totient is φ = 112144608.

The previous prime is 168752093. The next prime is 168752123. The reversal of 168752097 is 790257861.

It can be written as a sum of positive squares in 2 ways, for example, as 97535376 + 71216721 = 9876^2 + 8439^2 .

It is not a de Polignac number, because 168752097 - 2² = 168752093 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (168752093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26722 + ... + 32427.

It is an arithmetic number, because the mean of its divisors is an integer number (20377175).

Almost surely, 2^168752097 is an apocalyptic number.

It is an amenable number.

168752097 is a deficient number, since it is larger than the sum of its proper divisors (75774003).

168752097 is a wasteful number, since it uses less digits than its factorization.

168752097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59472 (or 59469 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 168752097 is about 12990.4617700835. The cubic root of 168752097 is about 552.6070137981.

The spelling of 168752097 in words is "one hundred sixty-eight million, seven hundred fifty-two thousand, ninety-seven".