275020164 has 48 divisors (see below), whose sum is σ = 714033600. Its totient is φ = 91542528.

The previous prime is 275020139. The next prime is 275020199. The reversal of 275020164 is 461020572.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100932 + ... + 103620.

It is an arithmetic number, because the mean of its divisors is an integer number (14875700).

Almost surely, 2^275020164 is an apocalyptic number.

It is an amenable number.

275020164 is an abundant number, since it is smaller than the sum of its proper divisors (439013436).

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

275020164 is a wasteful number, since it uses less digits than its factorization.

275020164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3649 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 275020164 is about 16583.7319081080. The cubic root of 275020164 is about 650.3116170530.

The spelling of 275020164 in words is "two hundred seventy-five million, twenty thousand, one hundred sixty-four".