6923897616 has 160 divisors (see below), whose sum is σ = 19963801600. Its totient is φ = 2058462720.

The previous prime is 6923897593. The next prime is 6923897689. The reversal of 6923897616 is 6167983296.

It is a happy number.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1042755 + ... + 1049373.

It is an arithmetic number, because the mean of its divisors is an integer number (124773760).

Almost surely, 2^6923897616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6923897616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9981900800).

6923897616 is an abundant number, since it is smaller than the sum of its proper divisors (13039903984).

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

6923897616 is a wasteful number, since it uses less digits than its factorization.

6923897616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6717 (or 6711 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The square root of 6923897616 is about 83209.9610383276. The cubic root of 6923897616 is about 1905.9735923498.

The spelling of 6923897616 in words is "six billion, nine hundred twenty-three million, eight hundred ninety-seven thousand, six hundred sixteen".