16006066000 has 40 divisors (see below), whose sum is σ = 38702672424. Its totient is φ = 6402425600.

The previous prime is 16006065991. The next prime is 16006066033. The reversal of 16006066000 is 66060061.

It can be written as a sum of positive squares in 4 ways, for example, as 167340096 + 15838725904 = 12936^2 + 125852^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent 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, 3999517 + ... + 4003516.

Almost surely, 2^16006066000 is an apocalyptic number.

16006066000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16006066000 is an abundant number, since it is smaller than the sum of its proper divisors (22696606424).

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

16006066000 is an equidigital number, since it uses as much as digits as its factorization.

16006066000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8003056 (or 8003040 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 16006066000 in words is "sixteen billion, six million, sixty-six thousand".