546172271645 has 128 divisors (see below), whose sum is σ = 942988677120. Its totient is φ = 292226273280.

The previous prime is 546172271641. The next prime is 546172271647.

It is a happy number.

546172271645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546172271645 - 2² = 546172271641 is a prime.

It is a super-3 number, since 3×546172271645³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 546172271593 and 546172271602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546172271641) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7023386 + ... + 7100724.

It is an arithmetic number, because the mean of its divisors is an integer number (7367099040).

Almost surely, 2^546172271645 is an apocalyptic number.

546172271645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

546172271645 is a deficient number, since it is larger than the sum of its proper divisors (396816405475).

546172271645 is a wasteful number, since it uses less digits than its factorization.

546172271645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77475.

The product of its digits is 2822400, while the sum is 50.

The spelling of 546172271645 in words is "five hundred forty-six billion, one hundred seventy-two million, two hundred seventy-one thousand, six hundred forty-five".