68151383 has 4 divisors (see below), whose sum is σ = 68972568. Its totient is φ = 67330200.

The previous prime is 68151379. The next prime is 68151437. The reversal of 68151383 is 38315186.

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 68151383 - 2² = 68151379 is a prime.

It is a super-2 number, since 2×68151383² = 9289222009625378, 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 (68151583) 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, 410468 + ... + 410633.

It is an arithmetic number, because the mean of its divisors is an integer number (17243142).

Almost surely, 2^68151383 is an apocalyptic number.

68151383 is a deficient number, since it is larger than the sum of its proper divisors (821185).

68151383 is an equidigital number, since it uses as much as digits as its factorization.

68151383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821184.

The product of its digits is 17280, while the sum is 35.

The square root of 68151383 is about 8255.3850909573. The cubic root of 68151383 is about 408.4681745243.

The spelling of 68151383 in words is "sixty-eight million, one hundred fifty-one thousand, three hundred eighty-three".