66095127951 has 8 divisors (see below), whose sum is σ = 93310768944. Its totient is φ = 41471452800.

The previous prime is 66095127937. The next prime is 66095127971. The reversal of 66095127951 is 15972159066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66095127951 - 2⁷ = 66095127823 is a prime.

It is a super-2 number, since 2×66095127951² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 1295982901 = 66095127951 / (6 + 6 + 0 + 9 + 5 + 1 + 2 + 7 + 9 + 5 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 66095127894 and 66095127903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66095127911) 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, 647991400 + ... + 647991501.

It is an arithmetic number, because the mean of its divisors is an integer number (11663846118).

Almost surely, 2^66095127951 is an apocalyptic number.

66095127951 is a deficient number, since it is larger than the sum of its proper divisors (27215640993).

66095127951 is a wasteful number, since it uses less digits than its factorization.

66095127951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295982921.

The product of its (nonzero) digits is 1020600, while the sum is 51.

The spelling of 66095127951 in words is "sixty-six billion, ninety-five million, one hundred twenty-seven thousand, nine hundred fifty-one".