1164995263656 has 336 divisors, whose sum is σ = 3932678355840. Its totient is φ = 322116056640.

The previous prime is 1164995263639. The next prime is 1164995263657. The reversal of 1164995263656 is 6563625994611.

1164995263656 is a `hidden beast` number, since 1 + 1 + 6 + 49 + 9 + 526 + 3 + 65 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 1164995263593 and 1164995263602.

It is not an unprimeable number, because it can be changed into a prime (1164995263657) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 8793055 + ... + 8924561.

Almost surely, 2^{1164995263656} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1164995263656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1966339177920).

1164995263656 is an abundant number, since it is smaller than the sum of its proper divisors (2767683092184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1164995263656 is a wasteful number, since it uses less digits than its factorization.

1164995263656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131576 (or 131550 counting only the distinct ones).

The product of its digits is 62985600, while the sum is 63.

The spelling of 1164995263656 in words is "one trillion, one hundred sixty-four billion, nine hundred ninety-five million, two hundred sixty-three thousand, six hundred fifty-six".