1165747016642 has 16 divisors (see below), whose sum is σ = 1883205427320. Its totient is φ = 538015475712.

The previous prime is 1165747016597. The next prime is 1165747016647. The reversal of 1165747016642 is 2466107475611.

It can be written as a sum of positive squares in 4 ways, for example, as 810160207921 + 355586808721 = 900089^2 + 596311^2 .

It is a super-2 number, since 2×1165747016642² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1165747016647) 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, 231167 + ... + 1544322.

Almost surely, 2^{1165747016642} is an apocalyptic number.

1165747016642 is a deficient number, since it is larger than the sum of its proper divisors (717458410678).

1165747016642 is a wasteful number, since it uses less digits than its factorization.

1165747016642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800757.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 1165747016642 in words is "one trillion, one hundred sixty-five billion, seven hundred forty-seven million, sixteen thousand, six hundred forty-two".