51641156626677 has 12 divisors (see below), whose sum is σ = 74594684356140. Its totient is φ = 34426559645568.

The previous prime is 51641156626649. The next prime is 51641156626733. The reversal of 51641156626677 is 77662665114615.

51641156626677 is a `hidden beast` number, since 5 + 1 + 6 + 4 + 1 + 1 + 566 + 2 + 6 + 67 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28430981149041 + 23210175477636 = 5332071^2 + 4817694^2 .

It is not a de Polignac number, because 51641156626677 - 2¹² = 51641156622581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51641156626777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72802902 + ... + 73508807.

It is an arithmetic number, because the mean of its divisors is an integer number (6216223696345).

Almost surely, 2^{51641156626677} is an apocalyptic number.

It is an amenable number.

51641156626677 is a deficient number, since it is larger than the sum of its proper divisors (22953527729463).

51641156626677 is a wasteful number, since it uses less digits than its factorization.

51641156626677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146350932 (or 146350929 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 63.

The spelling of 51641156626677 in words is "fifty-one trillion, six hundred forty-one billion, one hundred fifty-six million, six hundred twenty-six thousand, six hundred seventy-seven".