172026256 has 10 divisors (see below), whose sum is σ = 333300902. Its totient is φ = 86013120.

The previous prime is 172026227. The next prime is 172026263. The reversal of 172026256 is 652620271.

It can be written as a sum of positive squares in only one way, i.e., 94867600 + 77158656 = 9740^2 + 8784^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5375805 + ... + 5375836.

Almost surely, 2^172026256 is an apocalyptic number.

172026256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

172026256 is a deficient number, since it is larger than the sum of its proper divisors (161274646).

172026256 is a wasteful number, since it uses less digits than its factorization.

172026256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10751649 (or 10751643 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 172026256 is about 13115.8780110216. The cubic root of 172026256 is about 556.1580731647.

The spelling of 172026256 in words is "one hundred seventy-two million, twenty-six thousand, two hundred fifty-six".