1340666666670 has 32 divisors (see below), whose sum is σ = 3217631467680. Its totient is φ = 357507614720.

The previous prime is 1340666666657. The next prime is 1340666666741. The reversal of 1340666666670 is 766666660431.

It is a super-2 number, since 2×1340666666670² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1340666666670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4758130 + ... + 5032010.

It is an arithmetic number, because the mean of its divisors is an integer number (100550983365).

Almost surely, 2^{1340666666670} is an apocalyptic number.

1340666666670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340666666670 is an abundant number, since it is smaller than the sum of its proper divisors (1876964801010).

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

1340666666670 is a wasteful number, since it uses less digits than its factorization.

1340666666670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437060.

The product of its (nonzero) digits is 23514624, while the sum is 57.

The spelling of 1340666666670 in words is "one trillion, three hundred forty billion, six hundred sixty-six million, six hundred sixty-six thousand, six hundred seventy".