1164397866824 has 8 divisors (see below), whose sum is σ = 2183246000310. Its totient is φ = 582198933408.

The previous prime is 1164397866809. The next prime is 1164397866859. The reversal of 1164397866824 is 4286687934611.

It can be written as a sum of positive squares in only one way, i.e., 1118056693924 + 46341172900 = 1057382^2 + 215270^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72774866669 + ... + 72774866684.

Almost surely, 2^{1164397866824} is an apocalyptic number.

It is an amenable number.

1164397866824 is a deficient number, since it is larger than the sum of its proper divisors (1018848133486).

1164397866824 is a wasteful number, since it uses less digits than its factorization.

1164397866824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145549733359 (or 145549733355 counting only the distinct ones).

The product of its digits is 83607552, while the sum is 65.

The spelling of 1164397866824 in words is "one trillion, one hundred sixty-four billion, three hundred ninety-seven million, eight hundred sixty-six thousand, eight hundred twenty-four".