1264367818416 has 80 divisors (see below), whose sum is σ = 3347001313920. Its totient is φ = 411149806080.

The previous prime is 1264367818409. The next prime is 1264367818433. The reversal of 1264367818416 is 6148187634621.

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, 1333045 + ... + 2075028.

It is an arithmetic number, because the mean of its divisors is an integer number (41837516424).

Almost surely, 2^{1264367818416} is an apocalyptic number.

1264367818416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1264367818416 is an abundant number, since it is smaller than the sum of its proper divisors (2082633495504).

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

1264367818416 is a wasteful number, since it uses less digits than its factorization.

1264367818416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3408274 (or 3408268 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The spelling of 1264367818416 in words is "one trillion, two hundred sixty-four billion, three hundred sixty-seven million, eight hundred eighteen thousand, four hundred sixteen".