206129343960 has 96 divisors (see below), whose sum is σ = 705179358000. Its totient is φ = 52074779904.

The previous prime is 206129343949. The next prime is 206129343961. The reversal of 206129343960 is 69343921602.

206129343960 is a `hidden beast` number, since 20 + 612 + 9 + 3 + 4 + 3 + 9 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206129343961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15061095 + ... + 15074774.

Almost surely, 2^206129343960 is an apocalyptic number.

206129343960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206129343960 is an abundant number, since it is smaller than the sum of its proper divisors (499050014040).

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

206129343960 is a wasteful number, since it uses less digits than its factorization.

206129343960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30135905 (or 30135898 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 206129343960 in words is "two hundred six billion, one hundred twenty-nine million, three hundred forty-three thousand, nine hundred sixty".