66057115072151 has 16 divisors (see below), whose sum is σ = 79934879036160. Its totient is φ = 53289627649920.

The previous prime is 66057115072133. The next prime is 66057115072213. The reversal of 66057115072151 is 15127051175066.

It is a cyclic number.

It is not a de Polignac number, because 66057115072151 - 2¹⁸ = 66057114810007 is a prime.

It is a super-3 number, since 3×66057115072151³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66057115072096 and 66057115072105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66057115072121) 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, 72304916 + ... + 73212806.

It is an arithmetic number, because the mean of its divisors is an integer number (4995929939760).

Almost surely, 2^{66057115072151} is an apocalyptic number.

66057115072151 is a deficient number, since it is larger than the sum of its proper divisors (13877763964009).

66057115072151 is a wasteful number, since it uses less digits than its factorization.

66057115072151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519334.

The product of its (nonzero) digits is 441000, while the sum is 47.

The spelling of 66057115072151 in words is "sixty-six trillion, fifty-seven billion, one hundred fifteen million, seventy-two thousand, one hundred fifty-one".