16021666700 has 72 divisors (see below), whose sum is σ = 38312266608. Its totient is φ = 5778097920.

The previous prime is 16021666691. The next prime is 16021666709. The reversal of 16021666700 is 766612061.

It is an interprime number because it is at equal distance from previous prime (16021666691) and next prime (16021666709).

It is not an unprimeable number, because it can be changed into a prime (16021666709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87407 + ... + 199206.

It is an arithmetic number, because the mean of its divisors is an integer number (532114814).

Almost surely, 2^16021666700 is an apocalyptic number.

16021666700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16021666700 is an abundant number, since it is smaller than the sum of its proper divisors (22290599908).

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

16021666700 is a wasteful number, since it uses less digits than its factorization.

16021666700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286683 (or 286676 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 16021666700 in words is "sixteen billion, twenty-one million, six hundred sixty-six thousand, seven hundred".