2621167012 has 6 divisors (see below), whose sum is σ = 4587042278. Its totient is φ = 1310583504.

The previous prime is 2621166971. The next prime is 2621167019. The reversal of 2621167012 is 2107611262.

It can be written as a sum of positive squares in only one way, i.e., 2305536256 + 315630756 = 48016^2 + 17766^2 .

It is not an unprimeable number, because it can be changed into a prime (2621167019) by changing a digit.

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, 327645873 + ... + 327645880.

Almost surely, 2^2621167012 is an apocalyptic number.

It is an amenable number.

2621167012 is a deficient number, since it is larger than the sum of its proper divisors (1965875266).

2621167012 is a wasteful number, since it uses less digits than its factorization.

2621167012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655291757 (or 655291755 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2621167012 is about 51197.3340321544. The cubic root of 2621167012 is about 1378.7903374249.

Adding to 2621167012 its reverse (2107611262), we get a palindrome (4728778274).

The spelling of 2621167012 in words is "two billion, six hundred twenty-one million, one hundred sixty-seven thousand, twelve".