1656214739713 has 16 divisors (see below), whose sum is σ = 1744647331840. Its totient is φ = 1567908997200.

The previous prime is 1656214739657. The next prime is 1656214739719. The reversal of 1656214739713 is 3179374126561.

It is a cyclic number.

It is not a de Polignac number, because 1656214739713 - 2³³ = 1647624805121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1656214739719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250672456 + ... + 250679062.

It is an arithmetic number, because the mean of its divisors is an integer number (109040458240).

Almost surely, 2^{1656214739713} is an apocalyptic number.

It is an amenable number.

1656214739713 is a deficient number, since it is larger than the sum of its proper divisors (88432592127).

1656214739713 is a wasteful number, since it uses less digits than its factorization.

1656214739713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14188.

The product of its digits is 5715360, while the sum is 55.

The spelling of 1656214739713 in words is "one trillion, six hundred fifty-six billion, two hundred fourteen million, seven hundred thirty-nine thousand, seven hundred thirteen".