16830121604 has 6 divisors (see below), whose sum is σ = 29452712814. Its totient is φ = 8415060800.

The previous prime is 16830121597. The next prime is 16830121621. The reversal of 16830121604 is 40612103861.

16830121604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11331602500 + 5498519104 = 106450^2 + 74152^2 .

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 as a sum of consecutive naturals, namely, 2103765197 + ... + 2103765204.

It is an arithmetic number, because the mean of its divisors is an integer number (4908785469).

Almost surely, 2^16830121604 is an apocalyptic number.

It is an amenable number.

16830121604 is a deficient number, since it is larger than the sum of its proper divisors (12622591210).

16830121604 is a wasteful number, since it uses less digits than its factorization.

16830121604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207530405 (or 4207530403 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 16830121604 in words is "sixteen billion, eight hundred thirty million, one hundred twenty-one thousand, six hundred four".