16543630770 has 32 divisors (see below), whose sum is σ = 39714338880. Its totient is φ = 4410565440.

The previous prime is 16543630769. The next prime is 16543630787. The reversal of 16543630770 is 7703634561.

It is a happy number.

16543630770 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63121 + ... + 192539.

It is an arithmetic number, because the mean of its divisors is an integer number (1241073090).

Almost surely, 2^16543630770 is an apocalyptic number.

16543630770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16543630770 is an abundant number, since it is smaller than the sum of its proper divisors (23170708110).

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

16543630770 is a wasteful number, since it uses less digits than its factorization.

16543630770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133690.

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 16543630770 in words is "sixteen billion, five hundred forty-three million, six hundred thirty thousand, seven hundred seventy".