68465860156 has 24 divisors (see below), whose sum is σ = 126163520000. Its totient is φ = 32420345904.

The previous prime is 68465860139. The next prime is 68465860157. The reversal of 68465860156 is 65106856486.

It is a junction number, because it is equal to n+sod(n) for n = 68465860097 and 68465860106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68465860157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80245 + ... + 378643.

Almost surely, 2^68465860156 is an apocalyptic number.

It is an amenable number.

68465860156 is a deficient number, since it is larger than the sum of its proper divisors (57697659844).

68465860156 is a wasteful number, since it uses less digits than its factorization.

68465860156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301441 (or 301439 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 68465860156 in words is "sixty-eight billion, four hundred sixty-five million, eight hundred sixty thousand, one hundred fifty-six".