28164204210 has 32 divisors (see below), whose sum is σ = 69242729472. Its totient is φ = 7327272320.

The previous prime is 28164204197. The next prime is 28164204223. The reversal of 28164204210 is 1240246182.

It is an interprime number because it is at equal distance from previous prime (28164204197) and next prime (28164204223).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 11447634 + ... + 11450093.

It is an arithmetic number, because the mean of its divisors is an integer number (2163835296).

Almost surely, 2^28164204210 is an apocalyptic number.

28164204210 is an abundant number, since it is smaller than the sum of its proper divisors (41078525262).

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

28164204210 is a wasteful number, since it uses less digits than its factorization.

28164204210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22897778.

The product of its (nonzero) digits is 6144, while the sum is 30.

The spelling of 28164204210 in words is "twenty-eight billion, one hundred sixty-four million, two hundred four thousand, two hundred ten".