21160151162 has 4 divisors (see below), whose sum is σ = 31740226746. Its totient is φ = 10580075580.

The previous prime is 21160151161. The next prime is 21160151167. The reversal of 21160151162 is 26115106112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17003899201 + 4156251961 = 130399^2 + 64469^2 .

It is not an unprimeable number, because it can be changed into a prime (21160151161) 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 as a sum of consecutive naturals, namely, 5290037789 + ... + 5290037792.

Almost surely, 2^21160151162 is an apocalyptic number.

21160151162 is a deficient number, since it is larger than the sum of its proper divisors (10580075584).

21160151162 is a wasteful number, since it uses less digits than its factorization.

21160151162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10580075583.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 21160151162 its reverse (26115106112), we get a palindrome (47275257274).

The spelling of 21160151162 in words is "twenty-one billion, one hundred sixty million, one hundred fifty-one thousand, one hundred sixty-two".