16702021400 has 48 divisors (see below), whose sum is σ = 38870782200. Its totient is φ = 6674170880.

The previous prime is 16702021397. The next prime is 16702021463. The reversal of 16702021400 is 412020761.

16702021400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162824 + ... + 244776.

Almost surely, 2^16702021400 is an apocalyptic number.

16702021400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16702021400 is an abundant number, since it is smaller than the sum of its proper divisors (22168760800).

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

16702021400 is a wasteful number, since it uses less digits than its factorization.

16702021400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82988 (or 82979 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The spelling of 16702021400 in words is "sixteen billion, seven hundred two million, twenty-one thousand, four hundred".