16716144146 has 16 divisors (see below), whose sum is σ = 27042916824. Its totient is φ = 7703739264.

The previous prime is 16716144131. The next prime is 16716144169. The reversal of 16716144146 is 64144161761.

It can be written as a sum of positive squares in 4 ways, for example, as 15131706121 + 1584438025 = 123011^2 + 39805^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457235 + ... + 492438.

Almost surely, 2^16716144146 is an apocalyptic number.

16716144146 is a deficient number, since it is larger than the sum of its proper divisors (10326772678).

16716144146 is a wasteful number, since it uses less digits than its factorization.

16716144146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950365.

The product of its digits is 96768, while the sum is 41.

The spelling of 16716144146 in words is "sixteen billion, seven hundred sixteen million, one hundred forty-four thousand, one hundred forty-six".