206924066748 has 120 divisors (see below), whose sum is σ = 628696252800. Its totient is φ = 58119070752.

The previous prime is 206924066731. The next prime is 206924066749. The reversal of 206924066748 is 847660429602.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 206924066694 and 206924066703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206924066749) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 639378 + ... + 907001.

It is an arithmetic number, because the mean of its divisors is an integer number (5239135440).

Almost surely, 2^206924066748 is an apocalyptic number.

206924066748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

206924066748 is an abundant number, since it is smaller than the sum of its proper divisors (421772186052).

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

206924066748 is a wasteful number, since it uses less digits than its factorization.

206924066748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546461 (or 1546450 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 206924066748 in words is "two hundred six billion, nine hundred twenty-four million, sixty-six thousand, seven hundred forty-eight".