51161606264463 has 16 divisors (see below), whose sum is σ = 69182383735296. Its totient is φ = 33624721667520.

The previous prime is 51161606264459. The next prime is 51161606264497. The reversal of 51161606264463 is 36446260616115.

It is not a de Polignac number, because 51161606264463 - 2² = 51161606264459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51161606664463) 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, 54346695 + ... + 55280072.

It is an arithmetic number, because the mean of its divisors is an integer number (4323898983456).

Almost surely, 2^{51161606264463} is an apocalyptic number.

51161606264463 is a deficient number, since it is larger than the sum of its proper divisors (18020777470833).

51161606264463 is a wasteful number, since it uses less digits than its factorization.

51161606264463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109628974.

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 51161606264463 in words is "fifty-one trillion, one hundred sixty-one billion, six hundred six million, two hundred sixty-four thousand, four hundred sixty-three".