66514700050257 has 16 divisors (see below), whose sum is σ = 93928644185472. Its totient is φ = 41723363431680.

The previous prime is 66514700050147. The next prime is 66514700050259. The reversal of 66514700050257 is 75205000741566.

It is not a de Polignac number, because 66514700050257 - 2²² = 66514695855953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66514700050259) 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, 177159469 + ... + 177534522.

It is an arithmetic number, because the mean of its divisors is an integer number (5870540261592).

Almost surely, 2^{66514700050257} is an apocalyptic number.

It is an amenable number.

66514700050257 is a deficient number, since it is larger than the sum of its proper divisors (27413944135215).

66514700050257 is a wasteful number, since it uses less digits than its factorization.

66514700050257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354697688.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 66514700050257 in words is "sixty-six trillion, five hundred fourteen billion, seven hundred million, fifty thousand, two hundred fifty-seven".