6770216540 has 24 divisors (see below), whose sum is σ = 14221297440. Its totient is φ = 2707354688.

The previous prime is 6770216507. The next prime is 6770216549. The reversal of 6770216540 is 456120776.

It is a junction number, because it is equal to n+sod(n) for n = 6770216494 and 6770216503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6770216549) 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, 33446 + ... + 121074.

It is an arithmetic number, because the mean of its divisors is an integer number (592554060).

Almost surely, 2^6770216540 is an apocalyptic number.

It is an amenable number.

6770216540 is an abundant number, since it is smaller than the sum of its proper divisors (7451080900).

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

6770216540 is a wasteful number, since it uses less digits than its factorization.

6770216540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91501 (or 91499 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 6770216540 is about 82281.3255848494. The cubic root of 6770216540 is about 1891.7664531662.

The spelling of 6770216540 in words is "six billion, seven hundred seventy million, two hundred sixteen thousand, five hundred forty".