6697651842 has 96 divisors (see below), whose sum is σ = 17728139520. Its totient is φ = 1785738240.

The previous prime is 6697651813. The next prime is 6697651847. The reversal of 6697651842 is 2481567966.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6697651847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90634 + ... + 147002.

It is an arithmetic number, because the mean of its divisors is an integer number (184668120).

Almost surely, 2^6697651842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6697651842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8864069760).

6697651842 is an abundant number, since it is smaller than the sum of its proper divisors (11030487678).

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

6697651842 is a wasteful number, since it uses less digits than its factorization.

6697651842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56448 (or 56445 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 6697651842 is about 81839.1828038379. The cubic root of 6697651842 is about 1884.9833686708.

The spelling of 6697651842 in words is "six billion, six hundred ninety-seven million, six hundred fifty-one thousand, eight hundred forty-two".