16764464340 has 144 divisors (see below), whose sum is σ = 54836466048. Its totient is φ = 4121171712.

The previous prime is 16764464329. The next prime is 16764464419. The reversal of 16764464340 is 4346446761.

16764464340 is a `hidden beast` number, since 167 + 6 + 446 + 4 + 3 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1930849 + ... + 1939511.

It is an arithmetic number, because the mean of its divisors is an integer number (380808792).

Almost surely, 2^16764464340 is an apocalyptic number.

16764464340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16764464340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27418233024).

16764464340 is an abundant number, since it is smaller than the sum of its proper divisors (38072001708).

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

16764464340 is a wasteful number, since it uses less digits than its factorization.

16764464340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518 (or 9513 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 16764464340 in words is "sixteen billion, seven hundred sixty-four million, four hundred sixty-four thousand, three hundred forty".