1178347260664 has 64 divisors (see below), whose sum is σ = 2579986483200. Its totient is φ = 494024914944.

The previous prime is 1178347260659. The next prime is 1178347260689. The reversal of 1178347260664 is 4660627438711.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5455477 + ... + 5667355.

It is an arithmetic number, because the mean of its divisors is an integer number (40312288800).

Almost surely, 2^{1178347260664} is an apocalyptic number.

1178347260664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1178347260664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289993241600).

1178347260664 is an abundant number, since it is smaller than the sum of its proper divisors (1401639222536).

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

1178347260664 is a wasteful number, since it uses less digits than its factorization.

1178347260664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214052 (or 214048 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 1178347260664 in words is "one trillion, one hundred seventy-eight billion, three hundred forty-seven million, two hundred sixty thousand, six hundred sixty-four".