66075124375 has 80 divisors (see below), whose sum is σ = 96625070080. Its totient is φ = 44731440000.

The previous prime is 66075124331. The next prime is 66075124447. The reversal of 66075124375 is 57342157066.

66075124375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66075124375 - 2¹¹ = 66075122327 is a prime.

It is a super-2 number, since 2×66075124375² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4778722 + ... + 4792528.

It is an arithmetic number, because the mean of its divisors is an integer number (1207813376).

Almost surely, 2^66075124375 is an apocalyptic number.

66075124375 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

66075124375 is a deficient number, since it is larger than the sum of its proper divisors (30549945705).

66075124375 is a wasteful number, since it uses less digits than its factorization.

66075124375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13890 (or 13875 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 66075124375 in words is "sixty-six billion, seventy-five million, one hundred twenty-four thousand, three hundred seventy-five".