16550072570 has 16 divisors (see below), whose sum is σ = 29795727528. Its totient is φ = 6618785280.

The previous prime is 16550072551. The next prime is 16550072573. The reversal of 16550072570 is 7527005561.

It can be written as a sum of positive squares in 4 ways, for example, as 11794177201 + 4755895369 = 108601^2 + 68963^2 .

It is not an unprimeable number, because it can be changed into a prime (16550072573) 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 7 ways as a sum of consecutive naturals, for example, 98591 + ... + 206930.

Almost surely, 2^16550072570 is an apocalyptic number.

16550072570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16550072570 is a deficient number, since it is larger than the sum of its proper divisors (13245654958).

16550072570 is a wasteful number, since it uses less digits than its factorization.

16550072570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310945.

The product of its (nonzero) digits is 73500, while the sum is 38.

The spelling of 16550072570 in words is "sixteen billion, five hundred fifty million, seventy-two thousand, five hundred seventy".