16681677700 has 36 divisors (see below), whose sum is σ = 36812800080. Its totient is φ = 6559572640.

The previous prime is 16681677673. The next prime is 16681677707. The reversal of 16681677700 is 777618661.

It is not an unprimeable number, because it can be changed into a prime (16681677707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1407802 + ... + 1419601.

It is an arithmetic number, because the mean of its divisors is an integer number (1022577780).

Almost surely, 2^16681677700 is an apocalyptic number.

16681677700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16681677700 is an abundant number, since it is smaller than the sum of its proper divisors (20131122380).

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

16681677700 is a wasteful number, since it uses less digits than its factorization.

16681677700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2827476 (or 2827469 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 49.

The spelling of 16681677700 in words is "sixteen billion, six hundred eighty-one million, six hundred seventy-seven thousand, seven hundred".