16546144734 has 24 divisors (see below), whose sum is σ = 40971406320. Its totient is φ = 4727469888.

The previous prime is 16546144697. The next prime is 16546144739. The reversal of 16546144734 is 43744164561.

16546144734 is a `hidden beast` number, since 165 + 4 + 6 + 14 + 473 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16546144734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16546144739) 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 11 ways as a sum of consecutive naturals, for example, 65659179 + ... + 65659430.

It is an arithmetic number, because the mean of its divisors is an integer number (1707141930).

Almost surely, 2^16546144734 is an apocalyptic number.

16546144734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16546144734 is an abundant number, since it is smaller than the sum of its proper divisors (24425261586).

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

16546144734 is a wasteful number, since it uses less digits than its factorization.

16546144734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131318624 (or 131318621 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 16546144734 in words is "sixteen billion, five hundred forty-six million, one hundred forty-four thousand, seven hundred thirty-four".