68186461 has 16 divisors (see below), whose sum is σ = 79833600. Its totient is φ = 57028608.

The previous prime is 68186429. The next prime is 68186479. The reversal of 68186461 is 16468186.

It is not a de Polignac number, because 68186461 - 2⁵ = 68186429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68186411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88285 + ... + 89053.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^68186461 is an apocalyptic number.

It is an amenable number.

68186461 is a deficient number, since it is larger than the sum of its proper divisors (11647139).

68186461 is a wasteful number, since it uses less digits than its factorization.

68186461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068.

The product of its digits is 55296, while the sum is 40.

The square root of 68186461 is about 8257.5093702641. The cubic root of 68186461 is about 408.5382429925.

The spelling of 68186461 in words is "sixty-eight million, one hundred eighty-six thousand, four hundred sixty-one".