1380166137570 has 128 divisors (see below), whose sum is σ = 3805667712000. Its totient is φ = 316812936960.

The previous prime is 1380166137569. The next prime is 1380166137593. The reversal of 1380166137570 is 757316610831.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12352716 + ... + 12463944.

It is an arithmetic number, because the mean of its divisors is an integer number (29731779000).

Almost surely, 2^{1380166137570} is an apocalyptic number.

1380166137570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1380166137570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1902833856000).

1380166137570 is an abundant number, since it is smaller than the sum of its proper divisors (2425501574430).

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

1380166137570 is a wasteful number, since it uses less digits than its factorization.

1380166137570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113248.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 1380166137570 in words is "one trillion, three hundred eighty billion, one hundred sixty-six million, one hundred thirty-seven thousand, five hundred seventy".