1264806737216 has 56 divisors (see below), whose sum is σ = 2738293293024. Its totient is φ = 574854586880.

The previous prime is 1264806737203. The next prime is 1264806737237. The reversal of 1264806737216 is 6127376084621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7386911 + ... + 7556193.

Almost surely, 2^{1264806737216} is an apocalyptic number.

1264806737216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1264806737216 is an abundant number, since it is smaller than the sum of its proper divisors (1473486555808).

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

1264806737216 is a wasteful number, since it uses less digits than its factorization.

1264806737216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179919 (or 179909 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 1264806737216 in words is "one trillion, two hundred sixty-four billion, eight hundred six million, seven hundred thirty-seven thousand, two hundred sixteen".