2156107207214 has 64 divisors (see below), whose sum is σ = 3507463434240. Its totient is φ = 991102210560.

The previous prime is 2156107207213. The next prime is 2156107207217. The reversal of 2156107207214 is 4127027016512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156107207213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494858324 + ... + 494862680.

It is an arithmetic number, because the mean of its divisors is an integer number (54804116160).

Almost surely, 2^{2156107207214} is an apocalyptic number.

2156107207214 is a deficient number, since it is larger than the sum of its proper divisors (1351356227026).

2156107207214 is a wasteful number, since it uses less digits than its factorization.

2156107207214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6705.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 2156107207214 in words is "two trillion, one hundred fifty-six billion, one hundred seven million, two hundred seven thousand, two hundred fourteen".