386661600613 has 8 divisors (see below), whose sum is σ = 386844244632. Its totient is φ = 386479005696.

The previous prime is 386661600557. The next prime is 386661600623. The reversal of 386661600613 is 316006166683.

It can be written as a sum of positive squares in 4 ways, for example, as 4518797284 + 382142803329 = 67222^2 + 618177^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-386661600613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386661600623) 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, 31957381 + ... + 31969477.

It is an arithmetic number, because the mean of its divisors is an integer number (48355530579).

Almost surely, 2^386661600613 is an apocalyptic number.

It is an amenable number.

386661600613 is a deficient number, since it is larger than the sum of its proper divisors (182644019).

386661600613 is a wasteful number, since it uses less digits than its factorization.

386661600613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24551.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 386661600613 in words is "three hundred eighty-six billion, six hundred sixty-one million, six hundred thousand, six hundred thirteen".