16143246045 has 24 divisors (see below), whose sum is σ = 27995033976. Its totient is φ = 8605605888.

The previous prime is 16143246037. The next prime is 16143246107. The reversal of 16143246045 is 54064234161.

16143246045 is a `hidden beast` number, since 1 + 6 + 1 + 43 + 2 + 4 + 604 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 311063769 + 15832182276 = 17637^2 + 125826^2 .

It is not a de Polignac number, because 16143246045 - 2³ = 16143246037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10197 + ... + 179973.

It is an arithmetic number, because the mean of its divisors is an integer number (1166459749).

Almost surely, 2^16143246045 is an apocalyptic number.

16143246045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16143246045 is a deficient number, since it is larger than the sum of its proper divisors (11851787931).

16143246045 is a wasteful number, since it uses less digits than its factorization.

16143246045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171901 (or 171898 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 16143246045 in words is "sixteen billion, one hundred forty-three million, two hundred forty-six thousand, forty-five".