127665539916354 has 96 divisors (see below), whose sum is σ = 317682446103360. Its totient is φ = 36645121612800.

The previous prime is 127665539916353. The next prime is 127665539916359. The reversal of 127665539916354 is 453619935566721.

127665539916354 is a `hidden beast` number, since 1 + 2 + 7 + 6 + 6 + 553 + 9 + 9 + 1 + 63 + 5 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (127665539916353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23749734 + ... + 28624830.

It is an arithmetic number, because the mean of its divisors is an integer number (3309192146910).

Almost surely, 2^{127665539916354} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127665539916354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158841223051680).

127665539916354 is an abundant number, since it is smaller than the sum of its proper divisors (190016906187006).

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

127665539916354 is a wasteful number, since it uses less digits than its factorization.

127665539916354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882096 (or 4882093 counting only the distinct ones).

The product of its digits is 1102248000, while the sum is 72.

The spelling of 127665539916354 in words is "one hundred twenty-seven trillion, six hundred sixty-five billion, five hundred thirty-nine million, nine hundred sixteen thousand, three hundred fifty-four".