2351666855716 has 24 divisors (see below), whose sum is σ = 4227094780160. Its totient is φ = 1143932261472.

The previous prime is 2351666855623. The next prime is 2351666855717. The reversal of 2351666855716 is 6175586661532.

It is not an unprimeable number, because it can be changed into a prime (2351666855717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555271 + ... + 2238673.

Almost surely, 2^{2351666855716} is an apocalyptic number.

It is an amenable number.

2351666855716 is a deficient number, since it is larger than the sum of its proper divisors (1875427924444).

2351666855716 is a wasteful number, since it uses less digits than its factorization.

2351666855716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692883 (or 1692881 counting only the distinct ones).

The product of its digits is 54432000, while the sum is 61.

The spelling of 2351666855716 in words is "two trillion, three hundred fifty-one billion, six hundred sixty-six million, eight hundred fifty-five thousand, seven hundred sixteen".