1326405053016 has 96 divisors (see below), whose sum is σ = 4003854332400. Its totient is φ = 394225643520.

The previous prime is 1326405053003. The next prime is 1326405053027. The reversal of 1326405053016 is 6103505046231.

1326405053016 is a `hidden beast` number, since 1 + 3 + 2 + 64 + 0 + 50 + 530 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28494225 + ... + 28540736.

Almost surely, 2^{1326405053016} is an apocalyptic number.

It is an amenable number.

1326405053016 is an abundant number, since it is smaller than the sum of its proper divisors (2677449279384).

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

1326405053016 is a wasteful number, since it uses less digits than its factorization.

1326405053016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57035009 (or 57035002 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 1326405053016 in words is "one trillion, three hundred twenty-six billion, four hundred five million, fifty-three thousand, sixteen".