21167670322 has 16 divisors (see below), whose sum is σ = 32759949600. Its totient is φ = 10251401760.

The previous prime is 21167670301. The next prime is 21167670331. The reversal of 21167670322 is 22307676112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 917172 + ... + 939967.

It is an arithmetic number, because the mean of its divisors is an integer number (2047496850).

Almost surely, 2^21167670322 is an apocalyptic number.

21167670322 is a deficient number, since it is larger than the sum of its proper divisors (11592279278).

21167670322 is a wasteful number, since it uses less digits than its factorization.

21167670322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857321.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 21167670322 in words is "twenty-one billion, one hundred sixty-seven million, six hundred seventy thousand, three hundred twenty-two".