1066172329395 has 12 divisors (see below), whose sum is σ = 1848032037696. Its totient is φ = 568625242320.

The previous prime is 1066172329241. The next prime is 1066172329421. The reversal of 1066172329395 is 5939232716601.

1066172329395 is a `hidden beast` number, since 1 + 0 + 6 + 6 + 17 + 232 + 9 + 395 = 666.

It is not a de Polignac number, because 1066172329395 - 2⁸ = 1066172329139 is a prime.

It is a super-2 number, since 2×1066172329395² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11846359171 + ... + 11846359260.

It is an arithmetic number, because the mean of its divisors is an integer number (154002669808).

Almost surely, 2^{1066172329395} is an apocalyptic number.

1066172329395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1066172329395 is a deficient number, since it is larger than the sum of its proper divisors (781859708301).

1066172329395 is a wasteful number, since it uses less digits than its factorization.

1066172329395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23692718442 (or 23692718439 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 1066172329395 in words is "one trillion, sixty-six billion, one hundred seventy-two million, three hundred twenty-nine thousand, three hundred ninety-five".