1168619374729 has 3 divisors (see below), whose sum is σ = 1168620455757. Its totient is φ = 1168618293702.

The previous prime is 1168619374697. The next prime is 1168619374733. The reversal of 1168619374729 is 9274739168611.

The square root of 1168619374729 is 1081027.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1168619374729 - 2⁵ = 1168619374697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1168619374829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 540514 + ... + 1621540.

It is an arithmetic number, because the mean of its divisors is an integer number (389540151919).

Almost surely, 2^{1168619374729} is an apocalyptic number.

1168619374729 is the 1081027-th square number.

1168619374729 is the 540514-th centered octagonal number.

It is an amenable number.

1168619374729 is a deficient number, since it is larger than the sum of its proper divisors (1081028).

1168619374729 is an frugal number, since it uses more digits than its factorization.

1168619374729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162054 (or 1081027 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 64.

Multiplying 1168619374729 by its sum of digits (64), we get a square (74791639982656 = 8648216²).

The spelling of 1168619374729 in words is "one trillion, one hundred sixty-eight billion, six hundred nineteen million, three hundred seventy-four thousand, seven hundred twenty-nine".