51464503166 has 16 divisors (see below), whose sum is σ = 79487010720. Its totient is φ = 24972409440.

The previous prime is 51464503127. The next prime is 51464503169. The reversal of 51464503166 is 66130546415.

It is a super-2 number, since 2×51464503166² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51464503169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865130 + ... + 922701.

It is an arithmetic number, because the mean of its divisors is an integer number (4967938170).

Almost surely, 2^51464503166 is an apocalyptic number.

51464503166 is a deficient number, since it is larger than the sum of its proper divisors (28022507554).

51464503166 is a wasteful number, since it uses less digits than its factorization.

51464503166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788259.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 51464503166 in words is "fifty-one billion, four hundred sixty-four million, five hundred three thousand, one hundred sixty-six".