206626797552 has 160 divisors (see below), whose sum is σ = 642378885120. Its totient is φ = 55908990720.

The previous prime is 206626797541. The next prime is 206626797563. The reversal of 206626797552 is 255797626602.

It is an interprime number because it is at equal distance from previous prime (206626797541) and next prime (206626797563).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 206626797492 and 206626797501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29637427 + ... + 29644397.

It is an arithmetic number, because the mean of its divisors is an integer number (4014868032).

Almost surely, 2^206626797552 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 206626797552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321189442560).

206626797552 is an abundant number, since it is smaller than the sum of its proper divisors (435752087568).

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

206626797552 is a wasteful number, since it uses less digits than its factorization.

206626797552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11651 (or 11645 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 57.

The spelling of 206626797552 in words is "two hundred six billion, six hundred twenty-six million, seven hundred ninety-seven thousand, five hundred fifty-two".