214948616681 has 16 divisors (see below), whose sum is σ = 224057104128. Its totient is φ = 206043052800.

The previous prime is 214948616629. The next prime is 214948616689. The reversal of 214948616681 is 186616849412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 214948616681 - 2¹⁴ = 214948600297 is a prime.

It is a super-2 number, since 2×214948616681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214948616689) 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, 1346801 + ... + 1497921.

It is an arithmetic number, because the mean of its divisors is an integer number (14003569008).

Almost surely, 2^214948616681 is an apocalyptic number.

It is an amenable number.

214948616681 is a deficient number, since it is larger than the sum of its proper divisors (9108487447).

214948616681 is a wasteful number, since it uses less digits than its factorization.

214948616681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151792.

The product of its digits is 3981312, while the sum is 56.

The spelling of 214948616681 in words is "two hundred fourteen billion, nine hundred forty-eight million, six hundred sixteen thousand, six hundred eighty-one".