613061667 has 12 divisors (see below), whose sum is σ = 937623960. Its totient is φ = 384666048.

The previous prime is 613061629. The next prime is 613061693. The reversal of 613061667 is 766160316.

613061667 is a `hidden beast` number, since 6 + 1 + 30 + 616 + 6 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-613061667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613261667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2003317 + ... + 2003622.

It is an arithmetic number, because the mean of its divisors is an integer number (78135330).

Almost surely, 2^613061667 is an apocalyptic number.

613061667 is a deficient number, since it is larger than the sum of its proper divisors (324562293).

613061667 is a wasteful number, since it uses less digits than its factorization.

613061667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006962 (or 4006959 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 613061667 is about 24760.0821282967. The cubic root of 613061667 is about 849.5091361950.

The spelling of 613061667 in words is "six hundred thirteen million, sixty-one thousand, six hundred sixty-seven".