16145403456 has 112 divisors (see below), whose sum is σ = 52576114304. Its totient is φ = 4258123776.

The previous prime is 16145403427. The next prime is 16145403487. The reversal of 16145403456 is 65430454161.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444565 + ... + 479508.

It is an arithmetic number, because the mean of its divisors is an integer number (469429592).

Almost surely, 2^16145403456 is an apocalyptic number.

16145403456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16145403456 is an abundant number, since it is smaller than the sum of its proper divisors (36430710848).

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

16145403456 is a wasteful number, since it uses less digits than its factorization.

16145403456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924108 (or 924098 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 16145403456 in words is "sixteen billion, one hundred forty-five million, four hundred three thousand, four hundred fifty-six".