2156181160710 has 32 divisors (see below), whose sum is σ = 5187185256960. Its totient is φ = 573609368288.

The previous prime is 2156181160709. The next prime is 2156181160711. The reversal of 2156181160710 is 170611816512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2156181160709) and next prime (2156181160711).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156181160711) 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, 85754382 + ... + 85779521.

It is an arithmetic number, because the mean of its divisors is an integer number (162099539280).

Almost surely, 2^{2156181160710} is an apocalyptic number.

2156181160710 is an abundant number, since it is smaller than the sum of its proper divisors (3031004096250).

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

2156181160710 is a wasteful number, since it uses less digits than its factorization.

2156181160710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171534332.

The product of its (nonzero) digits is 20160, while the sum is 39.

The spelling of 2156181160710 in words is "two trillion, one hundred fifty-six billion, one hundred eighty-one million, one hundred sixty thousand, seven hundred ten".