614198664 has 24 divisors (see below), whose sum is σ = 1663454910. Its totient is φ = 204732864.

The previous prime is 614198653. The next prime is 614198677. The reversal of 614198664 is 466891416.

614198664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 537776100 + 76422564 = 23190^2 + 8742^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4265197 + ... + 4265340.

Almost surely, 2^614198664 is an apocalyptic number.

It is an amenable number.

614198664 is an abundant number, since it is smaller than the sum of its proper divisors (1049256246).

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

614198664 is a wasteful number, since it uses less digits than its factorization.

614198664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8530549 (or 8530542 counting only the distinct ones).

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

The square root of 614198664 is about 24783.0317757937. The cubic root of 614198664 is about 850.0339843390.

The spelling of 614198664 in words is "six hundred fourteen million, one hundred ninety-eight thousand, six hundred sixty-four".