68161193466 has 16 divisors (see below), whose sum is σ = 140006776224. Its totient is φ = 22106332944.

The previous prime is 68161193461. The next prime is 68161193479. The reversal of 68161193466 is 66439116186.

It is not an unprimeable number, because it can be changed into a prime (68161193461) 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, 153515980 + ... + 153516423.

It is an arithmetic number, because the mean of its divisors is an integer number (8750423514).

Almost surely, 2^68161193466 is an apocalyptic number.

68161193466 is an abundant number, since it is smaller than the sum of its proper divisors (71845582758).

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

68161193466 is a wasteful number, since it uses less digits than its factorization.

68161193466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307032445.

The product of its digits is 1119744, while the sum is 51.

The spelling of 68161193466 in words is "sixty-eight billion, one hundred sixty-one million, one hundred ninety-three thousand, four hundred sixty-six".