68152618 has 4 divisors (see below), whose sum is σ = 102228930. Its totient is φ = 34076308.

The previous prime is 68152603. The next prime is 68152627. The reversal of 68152618 is 81625186.

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

It can be written as a sum of positive squares in only one way, i.e., 39025009 + 29127609 = 6247^2 + 5397^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17038153 + ... + 17038156.

Almost surely, 2^68152618 is an apocalyptic number.

68152618 is a deficient number, since it is larger than the sum of its proper divisors (34076312).

68152618 is a wasteful number, since it uses less digits than its factorization.

68152618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34076311.

The product of its digits is 23040, while the sum is 37.

The square root of 68152618 is about 8255.4598902787. The cubic root of 68152618 is about 408.4706418508.

The spelling of 68152618 in words is "sixty-eight million, one hundred fifty-two thousand, six hundred eighteen".