6906720516 has 24 divisors (see below), whose sum is σ = 16635542784. Its totient is φ = 2227974240.

The previous prime is 6906720511. The next prime is 6906720553. The reversal of 6906720516 is 6150276096.

It is a super-2 number, since 2×6906720516² = 95405576572270612512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6906720511) 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, 9282855 + ... + 9283598.

It is an arithmetic number, because the mean of its divisors is an integer number (693147616).

Almost surely, 2^6906720516 is an apocalyptic number.

It is an amenable number.

6906720516 is an abundant number, since it is smaller than the sum of its proper divisors (9728822268).

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

6906720516 is a wasteful number, since it uses less digits than its factorization.

6906720516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18566491 (or 18566489 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 6906720516 is about 83106.6815364445. The cubic root of 6906720516 is about 1904.3961470194.

The spelling of 6906720516 in words is "six billion, nine hundred six million, seven hundred twenty thousand, five hundred sixteen".