61341663 has 16 divisors (see below), whose sum is σ = 82722816. Its totient is φ = 40430880.

The previous prime is 61341659. The next prime is 61341701. The reversal of 61341663 is 36614316.

It is not a de Polignac number, because 61341663 - 2² = 61341659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61341663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61341463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159970 + ... + 160352.

It is an arithmetic number, because the mean of its divisors is an integer number (5170176).

Almost surely, 2^61341663 is an apocalyptic number.

61341663 is a deficient number, since it is larger than the sum of its proper divisors (21381153).

61341663 is a wasteful number, since it uses less digits than its factorization.

61341663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854.

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

The square root of 61341663 is about 7832.0918661619. The cubic root of 61341663 is about 394.3832987338.

Adding to 61341663 its reverse (36614316), we get a palindrome (97955979).

The spelling of 61341663 in words is "sixty-one million, three hundred forty-one thousand, six hundred sixty-three".