1164387686400 has 216 divisors, whose sum is σ = 4170078761940. Its totient is φ = 310503260160.

The previous prime is 1164387686393. The next prime is 1164387686411. The reversal of 1164387686400 is 46867834611.

1164387686400 is a `hidden beast` number, since 1 + 1 + 64 + 38 + 76 + 86 + 400 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 802642 + ... + 1724241.

Almost surely, 2^{1164387686400} is an apocalyptic number.

1164387686400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1164387686400 is an abundant number, since it is smaller than the sum of its proper divisors (3005691075540).

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

1164387686400 is a wasteful number, since it uses less digits than its factorization.

1164387686400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526921 (or 2526893 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 1164387686400 in words is "one trillion, one hundred sixty-four billion, three hundred eighty-seven million, six hundred eighty-six thousand, four hundred".