61146328 has 16 divisors (see below), whose sum is σ = 119634480. Its totient is φ = 29243808.

The previous prime is 61146317. The next prime is 61146359. The reversal of 61146328 is 82364116.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 61146328.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 165975 + ... + 166342.

It is an arithmetic number, because the mean of its divisors is an integer number (7477155).

Almost surely, 2^61146328 is an apocalyptic number.

It is an amenable number.

61146328 is a deficient number, since it is larger than the sum of its proper divisors (58488152).

61146328 is a wasteful number, since it uses less digits than its factorization.

61146328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332346 (or 332342 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 61146328 is about 7819.6117550682. The cubic root of 61146328 is about 393.9642318531.

The spelling of 61146328 in words is "sixty-one million, one hundred forty-six thousand, three hundred twenty-eight".