68161038 has 32 divisors (see below), whose sum is σ = 149513472. Its totient is φ = 20544000.

The previous prime is 68161019. The next prime is 68161057. The reversal of 68161038 is 83016186.

It is an interprime number because it is at equal distance from previous prime (68161019) and next prime (68161057).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10063 + ... + 15413.

It is an arithmetic number, because the mean of its divisors is an integer number (4672296).

Almost surely, 2^68161038 is an apocalyptic number.

68161038 is an abundant number, since it is smaller than the sum of its proper divisors (81352434).

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

68161038 is a wasteful number, since it uses less digits than its factorization.

68161038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 68161038 is about 8255.9698400612. The cubic root of 68161038 is about 408.4874628294.

The spelling of 68161038 in words is "sixty-eight million, one hundred sixty-one thousand, thirty-eight".