61662063 has 16 divisors (see below), whose sum is σ = 83397600. Its totient is φ = 40521600.

The previous prime is 61662061. The next prime is 61662079. The reversal of 61662063 is 36026616.

It is not a de Polignac number, because 61662063 - 2¹ = 61662061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61662063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61662061) 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 15 ways as a sum of consecutive naturals, for example, 87613 + ... + 88313.

It is an arithmetic number, because the mean of its divisors is an integer number (5212350).

Almost surely, 2^61662063 is an apocalyptic number.

61662063 is a deficient number, since it is larger than the sum of its proper divisors (21735537).

61662063 is a wasteful number, since it uses less digits than its factorization.

61662063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 61662063 is about 7852.5195319719. The cubic root of 61662063 is about 395.0687547891.

Adding to 61662063 its reverse (36026616), we get a palindrome (97688679).

The spelling of 61662063 in words is "sixty-one million, six hundred sixty-two thousand, sixty-three".