16077727620 has 72 divisors (see below), whose sum is σ = 48782948760. Its totient is φ = 4286177280.

The previous prime is 16077727579. The next prime is 16077727621. The reversal of 16077727620 is 2672777061.

16077727620 is a `hidden beast` number, since 16 + 0 + 7 + 7 + 7 + 2 + 7 + 620 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8349207876 + 7728519744 = 91374^2 + 87912^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16077727621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 750660 + ... + 771780.

It is an arithmetic number, because the mean of its divisors is an integer number (677540955).

Almost surely, 2^16077727620 is an apocalyptic number.

16077727620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16077727620 is an abundant number, since it is smaller than the sum of its proper divisors (32705221140).

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

16077727620 is a wasteful number, since it uses less digits than its factorization.

16077727620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25365 (or 25360 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The spelling of 16077727620 in words is "sixteen billion, seventy-seven million, seven hundred twenty-seven thousand, six hundred twenty".