651116204122641 has 16 divisors (see below), whose sum is σ = 875077564973184. Its totient is φ = 430620400755584.

The previous prime is 651116204122633. The next prime is 651116204122721. The reversal of 651116204122641 is 146221402611156.

It is a cyclic number.

It is not a de Polignac number, because 651116204122641 - 2³ = 651116204122633 is a prime.

It is a super-2 number, since 2×651116204122641² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 651116204122593 and 651116204122602.

It is not an unprimeable number, because it can be changed into a prime (651116204122841) 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, 529937061 + ... + 531164306.

It is an arithmetic number, because the mean of its divisors is an integer number (54692347810824).

Almost surely, 2^{651116204122641} is an apocalyptic number.

It is an amenable number.

651116204122641 is a deficient number, since it is larger than the sum of its proper divisors (223961360850543).

651116204122641 is a wasteful number, since it uses less digits than its factorization.

651116204122641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061103000.

The product of its (nonzero) digits is 138240, while the sum is 42.

Adding to 651116204122641 its reverse (146221402611156), we get a palindrome (797337606733797).

The spelling of 651116204122641 in words is "six hundred fifty-one trillion, one hundred sixteen billion, two hundred four million, one hundred twenty-two thousand, six hundred forty-one".