16043767452 has 36 divisors (see below), whose sum is σ = 40561480960. Its totient is φ = 5347078272.

The previous prime is 16043767451. The next prime is 16043767463. The reversal of 16043767452 is 25476734061.

16043767452 is a `hidden beast` number, since 1 + 604 + 37 + 6 + 7 + 4 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16043767398 and 16043767407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16043767451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221748 + ... + 285060.

Almost surely, 2^16043767452 is an apocalyptic number.

16043767452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16043767452 is an abundant number, since it is smaller than the sum of its proper divisors (24517713508).

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

16043767452 is a wasteful number, since it uses less digits than its factorization.

16043767452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70362 (or 70357 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 16043767452 in words is "sixteen billion, forty-three million, seven hundred sixty-seven thousand, four hundred fifty-two".