21146162 has 16 divisors (see below), whose sum is σ = 32927040. Its totient is φ = 10173072.

The previous prime is 21146161. The next prime is 21146171. The reversal of 21146162 is 26164112.

It is not an unprimeable number, because it can be changed into a prime (21146161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25283 + ... + 26105.

It is an arithmetic number, because the mean of its divisors is an integer number (2057940).

Almost surely, 2^21146162 is an apocalyptic number.

21146162 is a deficient number, since it is larger than the sum of its proper divisors (11780878).

21146162 is a wasteful number, since it uses less digits than its factorization.

21146162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its digits is 576, while the sum is 23.

The square root of 21146162 is about 4598.4956235708. The cubic root of 21146162 is about 276.5310175171.

The spelling of 21146162 in words is "twenty-one million, one hundred forty-six thousand, one hundred sixty-two".