68151039 has 16 divisors (see below), whose sum is σ = 99367680. Its totient is φ = 41204160.

The previous prime is 68151037. The next prime is 68151049. The reversal of 68151039 is 93015186.

It is not a de Polignac number, because 68151039 - 2¹ = 68151037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68151037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12822 + ... + 17340.

It is an arithmetic number, because the mean of its divisors is an integer number (6210480).

Almost surely, 2^68151039 is an apocalyptic number.

68151039 is a deficient number, since it is larger than the sum of its proper divisors (31216641).

68151039 is a wasteful number, since it uses less digits than its factorization.

68151039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4990.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 68151039 is about 8255.3642560459. The cubic root of 68151039 is about 408.4674872636.

The spelling of 68151039 in words is "sixty-eight million, one hundred fifty-one thousand, thirty-nine".