206600266157428 has 96 divisors (see below), whose sum is σ = 447211548080640. Its totient is φ = 82105174419840.

The previous prime is 206600266157419. The next prime is 206600266157429. The reversal of 206600266157428 is 824751662006602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206600266157429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47960451 + ... + 52090357.

It is an arithmetic number, because the mean of its divisors is an integer number (4658453625840).

Almost surely, 2^{206600266157428} is an apocalyptic number.

It is an amenable number.

206600266157428 is an abundant number, since it is smaller than the sum of its proper divisors (240611281923212).

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

206600266157428 is a wasteful number, since it uses less digits than its factorization.

206600266157428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134557 (or 4134555 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 206600266157428 in words is "two hundred six trillion, six hundred billion, two hundred sixty-six million, one hundred fifty-seven thousand, four hundred twenty-eight".