171928601 has 6 divisors (see below), whose sum is σ = 186171390. Its totient is φ = 158703168.

The previous prime is 171928583. The next prime is 171928609. The reversal of 171928601 is 106829171.

It can be written as a sum of positive squares in 3 ways, for example, as 4096576 + 167832025 = 2024^2 + 12955^2 .

It is not a de Polignac number, because 171928601 - 2²² = 167734297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (171928609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 508496 + ... + 508833.

It is an arithmetic number, because the mean of its divisors is an integer number (31028565).

Almost surely, 2^171928601 is an apocalyptic number.

It is an amenable number.

171928601 is a deficient number, since it is larger than the sum of its proper divisors (14242789).

171928601 is a wasteful number, since it uses less digits than its factorization.

171928601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017355 (or 1017342 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 171928601 is about 13112.1547047005. The cubic root of 171928601 is about 556.0528142384.

The spelling of 171928601 in words is "one hundred seventy-one million, nine hundred twenty-eight thousand, six hundred one".