68651151 has 16 divisors (see below), whose sum is σ = 97425504. Its totient is φ = 42850304.

The previous prime is 68651147. The next prime is 68651173. The reversal of 68651151 is 15115686.

It is a cyclic number.

It is not a de Polignac number, because 68651151 - 2² = 68651147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68651101) 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, 6631 + ... + 13463.

It is an arithmetic number, because the mean of its divisors is an integer number (6089094).

Almost surely, 2^68651151 is an apocalyptic number.

68651151 is a deficient number, since it is larger than the sum of its proper divisors (28774353).

68651151 is a wasteful number, since it uses less digits than its factorization.

68651151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050.

The product of its digits is 7200, while the sum is 33.

The square root of 68651151 is about 8285.5990127449. The cubic root of 68651151 is about 409.4642039433.

It can be divided in two parts, 68651 and 151, that multiplied together give a palindrome (10366301).

The spelling of 68651151 in words is "sixty-eight million, six hundred fifty-one thousand, one hundred fifty-one".