68610146 has 24 divisors (see below), whose sum is σ = 113547420. Its totient is φ = 31069280.

The previous prime is 68610133. The next prime is 68610151. The reversal of 68610146 is 64101686.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68244121 + 366025 = 8261^2 + 605^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122900 + ... + 123456.

Almost surely, 2^68610146 is an apocalyptic number.

68610146 is a deficient number, since it is larger than the sum of its proper divisors (44937274).

68610146 is a wasteful number, since it uses less digits than its factorization.

68610146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 68610146 is about 8283.1241690560. The cubic root of 68610146 is about 409.3826640447.

The spelling of 68610146 in words is "sixty-eight million, six hundred ten thousand, one hundred forty-six".