206150501660 has 24 divisors (see below), whose sum is σ = 444616488960. Its totient is φ = 80231546304.

The previous prime is 206150501629. The next prime is 206150501663. The reversal of 206150501660 is 66105051602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206150501663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139290140 + ... + 139291619.

It is an arithmetic number, because the mean of its divisors is an integer number (18525687040).

Almost surely, 2^206150501660 is an apocalyptic number.

206150501660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206150501660 is an abundant number, since it is smaller than the sum of its proper divisors (238465987300).

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

206150501660 is a wasteful number, since it uses less digits than its factorization.

206150501660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278581805 (or 278581803 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 206150501660 in words is "two hundred six billion, one hundred fifty million, five hundred one thousand, six hundred sixty".