6507722146 has 8 divisors (see below), whose sum is σ = 9815515164. Its totient is φ = 3235883760.

The previous prime is 6507722113. The next prime is 6507722147. The reversal of 6507722146 is 6412277056.

It can be written as a sum of positive squares in 2 ways, for example, as 6506196921 + 1525225 = 80661^2 + 1235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6507722099 and 6507722108.

It is not an unprimeable number, because it can be changed into a prime (6507722147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8988205 + ... + 8988928.

Almost surely, 2^6507722146 is an apocalyptic number.

6507722146 is a deficient number, since it is larger than the sum of its proper divisors (3307793018).

6507722146 is a wasteful number, since it uses less digits than its factorization.

6507722146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17977316.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 6507722146 is about 80670.4539840951. The cubic root of 6507722146 is about 1866.9943371139.

The spelling of 6507722146 in words is "six billion, five hundred seven million, seven hundred twenty-two thousand, one hundred forty-six".