21133162070 has 16 divisors (see below), whose sum is σ = 38575463328. Its totient is φ = 8334204480.

The previous prime is 21133162067. The next prime is 21133162073. The reversal of 21133162070 is 7026133112.

It is an interprime number because it is at equal distance from previous prime (21133162067) and next prime (21133162073).

It is a super-2 number, since 2×21133162070² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133162073) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14881799 + ... + 14883218.

It is an arithmetic number, because the mean of its divisors is an integer number (2410966458).

Almost surely, 2^21133162070 is an apocalyptic number.

21133162070 is a deficient number, since it is larger than the sum of its proper divisors (17442301258).

21133162070 is a wasteful number, since it uses less digits than its factorization.

21133162070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29765095.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 21133162070 its reverse (7026133112), we get a palindrome (28159295182).

The spelling of 21133162070 in words is "twenty-one billion, one hundred thirty-three million, one hundred sixty-two thousand, seventy".