68646119 has 4 divisors (see below), whose sum is σ = 72684144. Its totient is φ = 64608096.

The previous prime is 68646113. The next prime is 68646131. The reversal of 68646119 is 91164686.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68646119 - 2¹² = 68642023 is a prime.

It is a super-2 number, since 2×68646119² = 9424579307524322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68646113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018987 + ... + 2019020.

It is an arithmetic number, because the mean of its divisors is an integer number (18171036).

Almost surely, 2^68646119 is an apocalyptic number.

68646119 is a deficient number, since it is larger than the sum of its proper divisors (4038025).

68646119 is a wasteful number, since it uses less digits than its factorization.

68646119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038024.

The product of its digits is 62208, while the sum is 41.

The square root of 68646119 is about 8285.2953477833. The cubic root of 68646119 is about 409.4541993807.

The spelling of 68646119 in words is "sixty-eight million, six hundred forty-six thousand, one hundred nineteen".