61146650 has 24 divisors (see below), whose sum is σ = 118679904. Its totient is φ = 23394800.

The previous prime is 61146593. The next prime is 61146653. The reversal of 61146650 is 5664116.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61146653) by changing a digit.

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, 25436 + ... + 27735.

It is an arithmetic number, because the mean of its divisors is an integer number (4944996).

Almost surely, 2^61146650 is an apocalyptic number.

61146650 is a deficient number, since it is larger than the sum of its proper divisors (57533254).

61146650 is a wasteful number, since it uses less digits than its factorization.

61146650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53206 (or 53201 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 61146650 is about 7819.6323442985. The cubic root of 61146650 is about 393.9649233978.

The spelling of 61146650 in words is "sixty-one million, one hundred forty-six thousand, six hundred fifty".