545201613506 has 16 divisors (see below), whose sum is σ = 892397357568. Its totient is φ = 247749675600.

The previous prime is 545201613503. The next prime is 545201613521. The reversal of 545201613506 is 605316102545.

It is a super-2 number, since 2×545201613506² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545201613506.

It is not an unprimeable number, because it can be changed into a prime (545201613503) 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, 3381410 + ... + 3538973.

It is an arithmetic number, because the mean of its divisors is an integer number (55774834848).

Almost surely, 2^545201613506 is an apocalyptic number.

545201613506 is a deficient number, since it is larger than the sum of its proper divisors (347195744062).

545201613506 is a wasteful number, since it uses less digits than its factorization.

545201613506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6923977.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 545201613506 in words is "five hundred forty-five billion, two hundred one million, six hundred thirteen thousand, five hundred six".