1174821867664 has 15 divisors (see below), whose sum is σ = 2276225768793. Its totient is φ = 587408766048.

The previous prime is 1174821867553. The next prime is 1174821867671. The reversal of 1174821867664 is 4667681284711.

The square root of 1174821867664 is 1083892.

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

It can be written as a sum of positive squares in only one way, i.e., 945756250000 + 229065617664 = 972500^2 + 478608^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4200082 + ... + 4471054.

Almost surely, 2^{1174821867664} is an apocalyptic number.

1174821867664 is the 1083892-nd square number.

It is an amenable number.

1174821867664 is a deficient number, since it is larger than the sum of its proper divisors (1101403901129).

1174821867664 is an frugal number, since it uses more digits than its factorization.

1174821867664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541954 (or 270975 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 61.

The spelling of 1174821867664 in words is "one trillion, one hundred seventy-four billion, eight hundred twenty-one million, eight hundred sixty-seven thousand, six hundred sixty-four".