16455190452 has 12 divisors (see below), whose sum is σ = 38395444416. Its totient is φ = 5485063480.

The previous prime is 16455190399. The next prime is 16455190457. The reversal of 16455190452 is 25409155461.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16455190457) 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 3 ways as a sum of consecutive naturals, for example, 685632924 + ... + 685632947.

It is an arithmetic number, because the mean of its divisors is an integer number (3199620368).

Almost surely, 2^16455190452 is an apocalyptic number.

16455190452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16455190452 is an abundant number, since it is smaller than the sum of its proper divisors (21940253964).

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

16455190452 is a wasteful number, since it uses less digits than its factorization.

16455190452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371265878 (or 1371265876 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 16455190452 in words is "sixteen billion, four hundred fifty-five million, one hundred ninety thousand, four hundred fifty-two".