2116486457 has 8 divisors (see below), whose sum is σ = 2122194816. Its totient is φ = 2110786912.

The previous prime is 2116486447. The next prime is 2116486481. The reversal of 2116486457 is 7546846112.

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

It is a cyclic number.

It is not a de Polignac number, because 2116486457 - 2⁴ = 2116486441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116486447) 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, 883253 + ... + 885645.

It is an arithmetic number, because the mean of its divisors is an integer number (265274352).

Almost surely, 2^2116486457 is an apocalyptic number.

It is an amenable number.

2116486457 is a deficient number, since it is larger than the sum of its proper divisors (5708359).

2116486457 is a wasteful number, since it uses less digits than its factorization.

2116486457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407.

The product of its digits is 322560, while the sum is 44.

The square root of 2116486457 is about 46005.2872722256. The cubic root of 2116486457 is about 1283.9215784071.

The spelling of 2116486457 in words is "two billion, one hundred sixteen million, four hundred eighty-six thousand, four hundred fifty-seven".