61330264 has 16 divisors (see below), whose sum is σ = 116944200. Its totient is φ = 30145152.

The previous prime is 61330261. The next prime is 61330327. The reversal of 61330264 is 46203316.

It is a super-2 number, since 2×61330264² = 7522802564619392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61330261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64497 + ... + 65440.

Almost surely, 2^61330264 is an apocalyptic number.

It is an amenable number.

61330264 is a deficient number, since it is larger than the sum of its proper divisors (55613936).

61330264 is a wasteful number, since it uses less digits than its factorization.

61330264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130002 (or 129998 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 61330264 is about 7831.3641212754. The cubic root of 61330264 is about 394.3588680641.

The spelling of 61330264 in words is "sixty-one million, three hundred thirty thousand, two hundred sixty-four".