82663124400561 has 16 divisors (see below), whose sum is σ = 112654141344000. Its totient is φ = 53892336632448.

The previous prime is 82663124400551. The next prime is 82663124400587. The reversal of 82663124400561 is 16500442136628.

It is not a de Polignac number, because 82663124400561 - 2¹¹ = 82663124398513 is a prime.

It is a super-2 number, since 2×82663124400561² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82663124400561.

It is not an unprimeable number, because it can be changed into a prime (82663124400511) 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, 238339036 + ... + 238685613.

It is an arithmetic number, because the mean of its divisors is an integer number (7040883834000).

Almost surely, 2^{82663124400561} is an apocalyptic number.

It is an amenable number.

82663124400561 is a deficient number, since it is larger than the sum of its proper divisors (29991016943439).

82663124400561 is a wasteful number, since it uses less digits than its factorization.

82663124400561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477025928.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 82663124400561 in words is "eighty-two trillion, six hundred sixty-three billion, one hundred twenty-four million, four hundred thousand, five hundred sixty-one".