204957650196 has 144 divisors (see below), whose sum is σ = 571465440000. Its totient is φ = 61542948096.

The previous prime is 204957650179. The next prime is 204957650213. The reversal of 204957650196 is 691056759402.

204957650196 is a `hidden beast` number, since 2 + 0 + 4 + 9 + 576 + 50 + 19 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (204957650179) and next prime (204957650213).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7663255 + ... + 7689953.

It is an arithmetic number, because the mean of its divisors is an integer number (3968510000).

Almost surely, 2^204957650196 is an apocalyptic number.

204957650196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204957650196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285732720000).

204957650196 is an abundant number, since it is smaller than the sum of its proper divisors (366507789804).

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

204957650196 is a wasteful number, since it uses less digits than its factorization.

204957650196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27118 (or 27113 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 204957650196 in words is "two hundred four billion, nine hundred fifty-seven million, six hundred fifty thousand, one hundred ninety-six".