61648363 has 8 divisors (see below), whose sum is σ = 70687232. Its totient is φ = 52667496.

The previous prime is 61648357. The next prime is 61648373. The reversal of 61648363 is 36384616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61648363 - 2²⁵ = 28093931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61648373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12195 + ... + 16492.

It is an arithmetic number, because the mean of its divisors is an integer number (8835904).

Almost surely, 2^61648363 is an apocalyptic number.

61648363 is a deficient number, since it is larger than the sum of its proper divisors (9038869).

61648363 is a wasteful number, since it uses less digits than its factorization.

61648363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29001.

The product of its digits is 62208, while the sum is 37.

The square root of 61648363 is about 7851.6471520312. The cubic root of 61648363 is about 395.0394939948.

The spelling of 61648363 in words is "sixty-one million, six hundred forty-eight thousand, three hundred sixty-three".