16730421400 has 96 divisors (see below), whose sum is σ = 48496538880. Its totient is φ = 5214672000.

The previous prime is 16730421391. The next prime is 16730421457. The reversal of 16730421400 is 412403761.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527796 + ... + 558595.

It is an arithmetic number, because the mean of its divisors is an integer number (505172280).

Almost surely, 2^16730421400 is an apocalyptic number.

16730421400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16730421400 is an abundant number, since it is smaller than the sum of its proper divisors (31766117480).

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

16730421400 is a wasteful number, since it uses less digits than its factorization.

16730421400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086425 (or 1086416 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The spelling of 16730421400 in words is "sixteen billion, seven hundred thirty million, four hundred twenty-one thousand, four hundred".