1173938040664 has 8 divisors (see below), whose sum is σ = 2201133826260. Its totient is φ = 586969020328.

The previous prime is 1173938040629. The next prime is 1173938040683. The reversal of 1173938040664 is 4660408393711.

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

It is a super-4 number, since 4×1173938040664⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73371127534 + ... + 73371127549.

Almost surely, 2^{1173938040664} is an apocalyptic number.

It is an amenable number.

1173938040664 is a deficient number, since it is larger than the sum of its proper divisors (1027195785596).

1173938040664 is a wasteful number, since it uses less digits than its factorization.

1173938040664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146742255089 (or 146742255085 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 1173938040664 in words is "one trillion, one hundred seventy-three billion, nine hundred thirty-eight million, forty thousand, six hundred sixty-four".