21160506162 has 32 divisors (see below), whose sum is σ = 42839725824. Its totient is φ = 6967376000.

The previous prime is 21160506137. The next prime is 21160506181. The reversal of 21160506162 is 26160506112.

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, 220678 + ... + 301694.

It is an arithmetic number, because the mean of its divisors is an integer number (1338741432).

Almost surely, 2^21160506162 is an apocalyptic number.

21160506162 is an abundant number, since it is smaller than the sum of its proper divisors (21679219662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21160506162 is a wasteful number, since it uses less digits than its factorization.

21160506162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81554.

The product of its (nonzero) digits is 4320, while the sum is 30.

It can be divided in two parts, 2116050 and 6162, that added together give a palindrome (2122212).

The spelling of 21160506162 in words is "twenty-one billion, one hundred sixty million, five hundred six thousand, one hundred sixty-two".