66076760157 has 4 divisors (see below), whose sum is σ = 88102346880. Its totient is φ = 44051173436.

The previous prime is 66076760149. The next prime is 66076760219. The reversal of 66076760157 is 75106767066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66076760157 - 2³ = 66076760149 is a prime.

It is a super-2 number, since 2×66076760157² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66076760107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11012793357 + ... + 11012793362.

It is an arithmetic number, because the mean of its divisors is an integer number (22025586720).

Almost surely, 2^66076760157 is an apocalyptic number.

It is an amenable number.

66076760157 is a deficient number, since it is larger than the sum of its proper divisors (22025586723).

66076760157 is a wasteful number, since it uses less digits than its factorization.

66076760157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22025586722.

The product of its (nonzero) digits is 2222640, while the sum is 51.

The spelling of 66076760157 in words is "sixty-six billion, seventy-six million, seven hundred sixty thousand, one hundred fifty-seven".