2156320534346 has 8 divisors (see below), whose sum is σ = 3528524510784. Its totient is φ = 980145697420.

The previous prime is 2156320534331. The next prime is 2156320534349. The reversal of 2156320534346 is 6434350236512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2156320534297 and 2156320534306.

It is not an unprimeable number, because it can be changed into a prime (2156320534349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49007284850 + ... + 49007284893.

It is an arithmetic number, because the mean of its divisors is an integer number (441065563848).

Almost surely, 2^{2156320534346} is an apocalyptic number.

2156320534346 is a deficient number, since it is larger than the sum of its proper divisors (1372203976438).

2156320534346 is a wasteful number, since it uses less digits than its factorization.

2156320534346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98014569756.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 2156320534346 in words is "two trillion, one hundred fifty-six billion, three hundred twenty million, five hundred thirty-four thousand, three hundred forty-six".