1206661326170 has 16 divisors (see below), whose sum is σ = 2299754527848. Its totient is φ = 454272499200.

The previous prime is 1206661326121. The next prime is 1206661326197. The reversal of 1206661326170 is 716231666021.

It can be written as a sum of positive squares in 4 ways, for example, as 1205535924961 + 1125401209 = 1097969^2 + 33547^2 .

It is a super-4 number, since 4×1206661326170⁴ (a number of 49 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3549003731 + ... + 3549004070.

Almost surely, 2^{1206661326170} is an apocalyptic number.

1206661326170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1206661326170 is a deficient number, since it is larger than the sum of its proper divisors (1093093201678).

1206661326170 is a wasteful number, since it uses less digits than its factorization.

1206661326170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7098007825.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 1206661326170 in words is "one trillion, two hundred six billion, six hundred sixty-one million, three hundred twenty-six thousand, one hundred seventy".