51106150551666 has 32 divisors (see below), whose sum is σ = 123685473605760. Its totient is φ = 13742830400256.

The previous prime is 51106150551623. The next prime is 51106150551667. The reversal of 51106150551666 is 66615505160115.

It is a super-3 number, since 3×51106150551666³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51106150551667) 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, 35788620121 + ... + 35788621548.

It is an arithmetic number, because the mean of its divisors is an integer number (3865171050180).

Almost surely, 2^{51106150551666} is an apocalyptic number.

51106150551666 is an abundant number, since it is smaller than the sum of its proper divisors (72579323054094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51106150551666 is a wasteful number, since it uses less digits than its factorization.

51106150551666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71577241698.

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 51106150551666 in words is "fifty-one trillion, one hundred six billion, one hundred fifty million, five hundred fifty-one thousand, six hundred sixty-six".