1377512666606 has 8 divisors (see below), whose sum is σ = 2069087922984. Its totient is φ = 687816692280.

The previous prime is 1377512666561. The next prime is 1377512666609. The reversal of 1377512666606 is 6066662157731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×1377512666606⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377512666609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469818680 + ... + 469821611.

It is an arithmetic number, because the mean of its divisors is an integer number (258635990373).

Almost surely, 2^{1377512666606} is an apocalyptic number.

1377512666606 is a deficient number, since it is larger than the sum of its proper divisors (691575256378).

1377512666606 is an equidigital number, since it uses as much as digits as its factorization.

1377512666606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939641026.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 1377512666606 in words is "one trillion, three hundred seventy-seven billion, five hundred twelve million, six hundred sixty-six thousand, six hundred six".