1366161015016 has 80 divisors (see below), whose sum is σ = 3110464340640. Its totient is φ = 551054657280.

The previous prime is 1366161015007. The next prime is 1366161015017. The reversal of 1366161015016 is 6105101616631.

It is not an unprimeable number, because it can be changed into a prime (1366161015017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4531131 + ... + 4823221.

It is an arithmetic number, because the mean of its divisors is an integer number (38880804258).

Almost surely, 2^{1366161015016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1366161015016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555232170320).

1366161015016 is an abundant number, since it is smaller than the sum of its proper divisors (1744303325624).

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

1366161015016 is an frugal number, since it uses more digits than its factorization.

1366161015016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292172 (or 292117 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 1366161015016 in words is "one trillion, three hundred sixty-six billion, one hundred sixty-one million, fifteen thousand, sixteen".