16677315777290 has 24 divisors (see below), whose sum is σ = 34920257118372. Its totient is φ = 5717936837760.

The previous prime is 16677315777263. The next prime is 16677315777439. The reversal of 16677315777290 is 9277751377661.

It can be written as a sum of positive squares in 2 ways, for example, as 15891679954969 + 785635822321 = 3986437^2 + 886361^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16677315777290.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17017668671 + ... + 17017669650.

Almost surely, 2^{16677315777290} is an apocalyptic number.

16677315777290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16677315777290 is an abundant number, since it is smaller than the sum of its proper divisors (18242941341082).

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

16677315777290 is a wasteful number, since it uses less digits than its factorization.

16677315777290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34035338342 (or 34035338335 counting only the distinct ones).

The product of its (nonzero) digits is 163364040, while the sum is 68.

The spelling of 16677315777290 in words is "sixteen trillion, six hundred seventy-seven billion, three hundred fifteen million, seven hundred seventy-seven thousand, two hundred ninety".