16454219076 has 27 divisors (see below), whose sum is σ = 41594554911. Its totient is φ = 5484483144.

The previous prime is 16454219069. The next prime is 16454219083. The reversal of 16454219076 is 67091245461.

The square root of 16454219076 is 128274.

It is a perfect power (a square), and thus also a powerful number.

16454219076 is a `hidden beast` number, since 1 + 6 + 454 + 2 + 190 + 7 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (16454219069) and next prime (16454219083).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 758955 + ... + 780333.

Almost surely, 2^16454219076 is an apocalyptic number.

16454219076 is the 128274-th square number.

It is an amenable number.

16454219076 is an abundant number, since it is smaller than the sum of its proper divisors (25140335835).

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

16454219076 is an frugal number, since it uses more digits than its factorization.

16454219076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42768 (or 21384 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 16454219076 in words is "sixteen billion, four hundred fifty-four million, two hundred nineteen thousand, seventy-six".