65937867696 has 160 divisors (see below), whose sum is σ = 190440588800. Its totient is φ = 21843406080.

The previous prime is 65937867679. The next prime is 65937867701. The reversal of 65937867696 is 69676873956.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 71749125 + ... + 71750043.

It is an arithmetic number, because the mean of its divisors is an integer number (1190253680).

Almost surely, 2^65937867696 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 65937867696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95220294400).

65937867696 is an abundant number, since it is smaller than the sum of its proper divisors (124502721104).

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

65937867696 is a wasteful number, since it uses less digits than its factorization.

65937867696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784 (or 1772 counting only the distinct ones).

The product of its digits is 617258880, while the sum is 72.

The spelling of 65937867696 in words is "sixty-five billion, nine hundred thirty-seven million, eight hundred sixty-seven thousand, six hundred ninety-six".