1371372252066 has 24 divisors (see below), whose sum is σ = 2971328284080. Its totient is φ = 457120739736.

The previous prime is 1371372252037. The next prime is 1371372252067. The reversal of 1371372252066 is 6602522731731.

1371372252066 is a `hidden beast` number, since 1 + 3 + 71 + 37 + 22 + 520 + 6 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (1371372252067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4165065 + ... + 4482243.

It is an arithmetic number, because the mean of its divisors is an integer number (123805345170).

Almost surely, 2^{1371372252066} is an apocalyptic number.

1371372252066 is an abundant number, since it is smaller than the sum of its proper divisors (1599956032014).

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

1371372252066 is a wasteful number, since it uses less digits than its factorization.

1371372252066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557390 (or 557387 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

Adding to 1371372252066 its reverse (6602522731731), we get a palindrome (7973894983797).

The spelling of 1371372252066 in words is "one trillion, three hundred seventy-one billion, three hundred seventy-two million, two hundred fifty-two thousand, sixty-six".