1360404657661 has 8 divisors (see below), whose sum is σ = 1557863912000. Its totient is φ = 1163724336288.

The previous prime is 1360404657659. The next prime is 1360404657683. The reversal of 1360404657661 is 1667564040631.

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 1360404657661 - 2¹ = 1360404657659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1360404657611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194729496 + ... + 194736481.

It is an arithmetic number, because the mean of its divisors is an integer number (194732989000).

Almost surely, 2^{1360404657661} is an apocalyptic number.

It is an amenable number.

1360404657661 is a deficient number, since it is larger than the sum of its proper divisors (197459254339).

1360404657661 is an equidigital number, since it uses as much as digits as its factorization.

1360404657661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389466483.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 1360404657661 in words is "one trillion, three hundred sixty billion, four hundred four million, six hundred fifty-seven thousand, six hundred sixty-one".