68001641 has 8 divisors (see below), whose sum is σ = 69263424. Its totient is φ = 66744720.

The previous prime is 68001611. The next prime is 68001653. The reversal of 68001641 is 14610086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68001641 - 2²⁶ = 892777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68001641.

It is not an unprimeable number, because it can be changed into a prime (68001611) 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, 38606 + ... + 40328.

It is an arithmetic number, because the mean of its divisors is an integer number (8657928).

Almost surely, 2^68001641 is an apocalyptic number.

68001641 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

68001641 is a deficient number, since it is larger than the sum of its proper divisors (1261783).

68001641 is a wasteful number, since it uses less digits than its factorization.

68001641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2431.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 68001641 is about 8246.3107508752. The cubic root of 68001641 is about 408.1687934967.

The spelling of 68001641 in words is "sixty-eight million, one thousand, six hundred forty-one".