1170449721764 has 12 divisors (see below), whose sum is σ = 2055277755804. Its totient is φ = 583227505824.

The previous prime is 1170449721737. The next prime is 1170449721767. The reversal of 1170449721764 is 4671279440711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 755494732864 + 414954988900 = 869192^2 + 644170^2 .

It is not an unprimeable number, because it can be changed into a prime (1170449721767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499337447 + ... + 499339790.

It is an arithmetic number, because the mean of its divisors is an integer number (171273146317).

Almost surely, 2^{1170449721764} is an apocalyptic number.

It is an amenable number.

1170449721764 is a deficient number, since it is larger than the sum of its proper divisors (884828034040).

1170449721764 is a wasteful number, since it uses less digits than its factorization.

1170449721764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998677534 (or 998677532 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 1170449721764 in words is "one trillion, one hundred seventy billion, four hundred forty-nine million, seven hundred twenty-one thousand, seven hundred sixty-four".