1670739101380 has 96 divisors (see below), whose sum is σ = 3643463255040. Its totient is φ = 643063249920.

The previous prime is 1670739101327. The next prime is 1670739101387. The reversal of 1670739101380 is 831019370761.

It is a self number, because there is not a number n which added to its sum of digits gives 1670739101380.

It is not an unprimeable number, because it can be changed into a prime (1670739101387) 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 31 ways as a sum of consecutive naturals, for example, 63665622 + ... + 63691858.

It is an arithmetic number, because the mean of its divisors is an integer number (37952742240).

Almost surely, 2^{1670739101380} is an apocalyptic number.

1670739101380 is a gapful number since it is divisible by the number (10) 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 1670739101380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1821731627520).

1670739101380 is an abundant number, since it is smaller than the sum of its proper divisors (1972724153660).

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

1670739101380 is a wasteful number, since it uses less digits than its factorization.

1670739101380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27349 (or 27347 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 1670739101380 in words is "one trillion, six hundred seventy billion, seven hundred thirty-nine million, one hundred one thousand, three hundred eighty".