1206346256651 has 8 divisors (see below), whose sum is σ = 1222913877984. Its totient is φ = 1189779779520.

The previous prime is 1206346256639. The next prime is 1206346256677. The reversal of 1206346256651 is 1566526436021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1206346256651 - 2¹⁰ = 1206346255627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1206346256596 and 1206346256605.

It is not an unprimeable number, because it can be changed into a prime (1206346256051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1956986 + ... + 2498496.

It is an arithmetic number, because the mean of its divisors is an integer number (152864234748).

Almost surely, 2^{1206346256651} is an apocalyptic number.

1206346256651 is a deficient number, since it is larger than the sum of its proper divisors (16567621333).

1206346256651 is an equidigital number, since it uses as much as digits as its factorization.

1206346256651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572101.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 1206346256651 in words is "one trillion, two hundred six billion, three hundred forty-six million, two hundred fifty-six thousand, six hundred fifty-one".