21160523153162 has 32 divisors (see below), whose sum is σ = 32891256679680. Its totient is φ = 10198028760640.

The previous prime is 21160523153113. The next prime is 21160523153281. The reversal of 21160523153162 is 26135132506112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83956943 + ... + 84208605.

It is an arithmetic number, because the mean of its divisors is an integer number (1027851771240).

Almost surely, 2^{21160523153162} is an apocalyptic number.

21160523153162 is a deficient number, since it is larger than the sum of its proper divisors (11730733526518).

21160523153162 is a wasteful number, since it uses less digits than its factorization.

21160523153162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254158.

The product of its (nonzero) digits is 64800, while the sum is 38.

Adding to 21160523153162 its reverse (26135132506112), we get a palindrome (47295655659274).

The spelling of 21160523153162 in words is "twenty-one trillion, one hundred sixty billion, five hundred twenty-three million, one hundred fifty-three thousand, one hundred sixty-two".