1373666617136 has 80 divisors (see below), whose sum is σ = 3006285442560. Its totient is φ = 602314056960.

The previous prime is 1373666617123. The next prime is 1373666617139. The reversal of 1373666617136 is 6317166663731.

It is not an unprimeable number, because it can be changed into a prime (1373666617139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5507711 + ... + 5751713.

It is an arithmetic number, because the mean of its divisors is an integer number (37578568032).

Almost surely, 2^{1373666617136} is an apocalyptic number.

1373666617136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373666617136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503142721280).

1373666617136 is an abundant number, since it is smaller than the sum of its proper divisors (1632618825424).

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

1373666617136 is a wasteful number, since it uses less digits than its factorization.

1373666617136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245154 (or 245148 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 56.

The spelling of 1373666617136 in words is "one trillion, three hundred seventy-three billion, six hundred sixty-six million, six hundred seventeen thousand, one hundred thirty-six".