206146365124 has 72 divisors (see below), whose sum is σ = 447002623872. Its totient is φ = 82653338880.

The previous prime is 206146365083. The next prime is 206146365133. The reversal of 206146365124 is 421563641602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371209 + ... + 741679.

It is an arithmetic number, because the mean of its divisors is an integer number (6208369776).

Almost surely, 2^206146365124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206146365124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223501311936).

206146365124 is an abundant number, since it is smaller than the sum of its proper divisors (240856258748).

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

206146365124 is a wasteful number, since it uses less digits than its factorization.

206146365124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370673 (or 370664 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 206146365124 in words is "two hundred six billion, one hundred forty-six million, three hundred sixty-five thousand, one hundred twenty-four".