545044200164 has 6 divisors (see below), whose sum is σ = 953827350294. Its totient is φ = 272522100080.

The previous prime is 545044200133. The next prime is 545044200179. The reversal of 545044200164 is 461002440545.

It can be written as a sum of positive squares in only one way, i.e., 342508198564 + 202536001600 = 585242^2 + 450040^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68130525017 + ... + 68130525024.

It is an arithmetic number, because the mean of its divisors is an integer number (158971225049).

Almost surely, 2^545044200164 is an apocalyptic number.

It is an amenable number.

545044200164 is a deficient number, since it is larger than the sum of its proper divisors (408783150130).

545044200164 is a wasteful number, since it uses less digits than its factorization.

545044200164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136261050045 (or 136261050043 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 545044200164 in words is "five hundred forty-five billion, forty-four million, two hundred thousand, one hundred sixty-four".