66116054151 has 24 divisors (see below), whose sum is σ = 109156296704. Its totient is φ = 37776332880.

The previous prime is 66116054141. The next prime is 66116054227. The reversal of 66116054151 is 15145061166.

66116054151 is a `hidden beast` number, since 6 + 6 + 1 + 1 + 60 + 541 + 51 = 666.

It is not a de Polignac number, because 66116054151 - 2⁵ = 66116054119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66116054141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 552270 + ... + 661236.

Almost surely, 2^66116054151 is an apocalyptic number.

66116054151 is a deficient number, since it is larger than the sum of its proper divisors (43040242553).

66116054151 is a wasteful number, since it uses less digits than its factorization.

66116054151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118611 (or 118608 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 66116054151 in words is "sixty-six billion, one hundred sixteen million, fifty-four thousand, one hundred fifty-one".