68160961 has 16 divisors (see below), whose sum is σ = 79070400. Its totient is φ = 58104000.

The previous prime is 68160959. The next prime is 68160979. The reversal of 68160961 is 16906186.

It is a cyclic number.

It is not a de Polignac number, because 68160961 - 2¹ = 68160959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68160961.

It is not an unprimeable number, because it can be changed into a prime (68160941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19495 + ... + 22723.

It is an arithmetic number, because the mean of its divisors is an integer number (4941900).

Almost surely, 2^68160961 is an apocalyptic number.

It is an amenable number.

68160961 is a deficient number, since it is larger than the sum of its proper divisors (10909439).

68160961 is a wasteful number, since it uses less digits than its factorization.

68160961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 68160961 is about 8255.9651767676. The cubic root of 68160961 is about 408.4873090096.

The spelling of 68160961 in words is "sixty-eight million, one hundred sixty thousand, nine hundred sixty-one".