16551163234770 has 64 divisors (see below), whose sum is σ = 40330757447424. Its totient is φ = 4346283432960.

The previous prime is 16551163234769. The next prime is 16551163234777. The reversal of 16551163234770 is 7743236115561.

16551163234770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16551163234777) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4606707 + ... + 7370486.

It is an arithmetic number, because the mean of its divisors is an integer number (630168085116).

Almost surely, 2^{16551163234770} is an apocalyptic number.

16551163234770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16551163234770 is an abundant number, since it is smaller than the sum of its proper divisors (23779594212654).

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

16551163234770 is a wasteful number, since it uses less digits than its factorization.

16551163234770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11977907.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 16551163234770 in words is "sixteen trillion, five hundred fifty-one billion, one hundred sixty-three million, two hundred thirty-four thousand, seven hundred seventy".