614149668 has 72 divisors (see below), whose sum is σ = 1739408160. Its totient is φ = 185847120.

The previous prime is 614149663. The next prime is 614149727. The reversal of 614149668 is 866941416.

614149668 is a `hidden beast` number, since 61 + 41 + 496 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (614149663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 853813 + ... + 854531.

Almost surely, 2^614149668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 614149668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869704080).

614149668 is an abundant number, since it is smaller than the sum of its proper divisors (1125258492).

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

614149668 is a wasteful number, since it uses less digits than its factorization.

614149668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462 (or 735 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 614149668 is about 24782.0432571651. The cubic root of 614149668 is about 850.0113807011.

The spelling of 614149668 in words is "six hundred fourteen million, one hundred forty-nine thousand, six hundred sixty-eight".