1264707166464 has 243 divisors, whose sum is σ = 4243071093807. Its totient is φ = 361236943872.

The previous prime is 1264707166447. The next prime is 1264707166529. The reversal of 1264707166464 is 4646617074621.

The square root of 1264707166464 is 1124592.

It is a perfect power (a square), and thus also a powerful number.

1264707166464 is a `hidden beast` number, since 1 + 2 + 6 + 470 + 7 + 166 + 4 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1264707166464.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 377861239 + ... + 377864585.

Almost surely, 2^{1264707166464} is an apocalyptic number.

1264707166464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1264707166464 is the 1124592-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1264707166464

1264707166464 is an abundant number, since it is smaller than the sum of its proper divisors (2978363927343).

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

1264707166464 is an frugal number, since it uses more digits than its factorization.

1264707166464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6730 (or 3359 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 1264707166464 in words is "one trillion, two hundred sixty-four billion, seven hundred seven million, one hundred sixty-six thousand, four hundred sixty-four".