21274346162 has 8 divisors (see below), whose sum is σ = 31918292892. Its totient is φ = 10634915200.

The previous prime is 21274346129. The next prime is 21274346183. The reversal of 21274346162 is 26164347212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20683904761 + 590441401 = 143819^2 + 24299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×21274346162³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117139 + ... + 1136022.

Almost surely, 2^21274346162 is an apocalyptic number.

21274346162 is a deficient number, since it is larger than the sum of its proper divisors (10643946730).

21274346162 is a wasteful number, since it uses less digits than its factorization.

21274346162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257884.

The product of its digits is 96768, while the sum is 38.

The spelling of 21274346162 in words is "twenty-one billion, two hundred seventy-four million, three hundred forty-six thousand, one hundred sixty-two".