51616610097 has 32 divisors (see below), whose sum is σ = 78136036608. Its totient is φ = 30069743616.

The previous prime is 51616610081. The next prime is 51616610099. The reversal of 51616610097 is 79001661615.

It is not a de Polignac number, because 51616610097 - 2⁴ = 51616610081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51616610099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209608 + ... + 383625.

It is an arithmetic number, because the mean of its divisors is an integer number (2441751144).

Almost surely, 2^51616610097 is an apocalyptic number.

It is an amenable number.

51616610097 is a deficient number, since it is larger than the sum of its proper divisors (26519426511).

51616610097 is a wasteful number, since it uses less digits than its factorization.

51616610097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593369.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 51616610097 in words is "fifty-one billion, six hundred sixteen million, six hundred ten thousand, ninety-seven".