206154032613 has 8 divisors (see below), whose sum is σ = 275131116576. Its totient is φ = 137306485200.

The previous prime is 206154032593. The next prime is 206154032621. The reversal of 206154032613 is 316230451602.

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

It is not a de Polignac number, because 206154032613 - 2¹⁶ = 206153967077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206154032113) 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, 32380423 + ... + 32386788.

It is an arithmetic number, because the mean of its divisors is an integer number (34391389572).

Almost surely, 2^206154032613 is an apocalyptic number.

It is an amenable number.

206154032613 is a deficient number, since it is larger than the sum of its proper divisors (68977083963).

206154032613 is a wasteful number, since it uses less digits than its factorization.

206154032613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64768275.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 206154032613 in words is "two hundred six billion, one hundred fifty-four million, thirty-two thousand, six hundred thirteen".