16005616620610 has 8 divisors (see below), whose sum is σ = 28810109917116. Its totient is φ = 6402246648240.

The previous prime is 16005616620601. The next prime is 16005616620641. The reversal of 16005616620610 is 1602661650061.

It can be written as a sum of positive squares in 2 ways, for example, as 12845751305409 + 3159865315201 = 3584097^2 + 1777601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800280831021 + ... + 800280831040.

Almost surely, 2^{16005616620610} is an apocalyptic number.

16005616620610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16005616620610 is a deficient number, since it is larger than the sum of its proper divisors (12804493296506).

16005616620610 is a wasteful number, since it uses less digits than its factorization.

16005616620610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600561662068.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 16005616620610 in words is "sixteen trillion, five billion, six hundred sixteen million, six hundred twenty thousand, six hundred ten".