6547162772220 has 72 divisors (see below), whose sum is σ = 21325044467664. Its totient is φ = 1496494347264.

The previous prime is 6547162772219. The next prime is 6547162772279. The reversal of 6547162772220 is 222772617456.

It is a super-3 number, since 3×6547162772220³ (a number of 39 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1113460117 + ... + 1113465996.

It is an arithmetic number, because the mean of its divisors is an integer number (296181173162).

Almost surely, 2^{6547162772220} is an apocalyptic number.

6547162772220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6547162772220 is an abundant number, since it is smaller than the sum of its proper divisors (14777881695444).

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

6547162772220 is a wasteful number, since it uses less digits than its factorization.

6547162772220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226926139 (or 2226926130 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 6547162772220 in words is "six trillion, five hundred forty-seven billion, one hundred sixty-two million, seven hundred seventy-two thousand, two hundred twenty".