6997161782 has 16 divisors (see below), whose sum is σ = 11439293040. Its totient is φ = 3190549152.

The previous prime is 6997161779. The next prime is 6997161793. The reversal of 6997161782 is 2871617996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619057 + ... + 1623372.

It is an arithmetic number, because the mean of its divisors is an integer number (714955815).

Almost surely, 2^6997161782 is an apocalyptic number.

6997161782 is a deficient number, since it is larger than the sum of its proper divisors (4442131258).

6997161782 is a wasteful number, since it uses less digits than its factorization.

6997161782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3242527.

The product of its digits is 2286144, while the sum is 56.

The square root of 6997161782 is about 83649.0393369822. The cubic root of 6997161782 is about 1912.6726089785.

The spelling of 6997161782 in words is "six billion, nine hundred ninety-seven million, one hundred sixty-one thousand, seven hundred eighty-two".