206146380147 has 8 divisors (see below), whose sum is σ = 275463290256. Its totient is φ = 137130195072.

The previous prime is 206146380133. The next prime is 206146380151. The reversal of 206146380147 is 741083641602.

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

It is not a de Polignac number, because 206146380147 - 2¹⁹ = 206145855859 is a prime.

It is a super-2 number, since 2×206146380147² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206146380099 and 206146380108.

It is not an unprimeable number, because it can be changed into a prime (206146380127) 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, 75179658 + ... + 75182399.

It is an arithmetic number, because the mean of its divisors is an integer number (34432911282).

Almost surely, 2^206146380147 is an apocalyptic number.

206146380147 is a deficient number, since it is larger than the sum of its proper divisors (69316910109).

206146380147 is a wasteful number, since it uses less digits than its factorization.

206146380147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150362517.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 206146380147 in words is "two hundred six billion, one hundred forty-six million, three hundred eighty thousand, one hundred forty-seven".