1361206057667 has 16 divisors (see below), whose sum is σ = 1395033252480. Its totient is φ = 1327764094272.

The previous prime is 1361206057663. The next prime is 1361206057721. The reversal of 1361206057667 is 7667506021631.

It is a cyclic number.

It is not a de Polignac number, because 1361206057667 - 2² = 1361206057663 is a prime.

It is a super-2 number, since 2×1361206057667² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361206057661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5818988 + ... + 6048390.

It is an arithmetic number, because the mean of its divisors is an integer number (87189578280).

Almost surely, 2^{1361206057667} is an apocalyptic number.

1361206057667 is a deficient number, since it is larger than the sum of its proper divisors (33827194813).

1361206057667 is a wasteful number, since it uses less digits than its factorization.

1361206057667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230242.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 1361206057667 in words is "one trillion, three hundred sixty-one billion, two hundred six million, fifty-seven thousand, six hundred sixty-seven".