4425257677666 has 16 divisors (see below), whose sum is σ = 7599441769920. Its totient is φ = 1893217566960.

The previous prime is 4425257677613. The next prime is 4425257677723. The reversal of 4425257677666 is 6667767525244.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276778201 + ... + 276794188.

It is an arithmetic number, because the mean of its divisors is an integer number (474965110620).

Almost surely, 2^{4425257677666} is an apocalyptic number.

4425257677666 is a deficient number, since it is larger than the sum of its proper divisors (3174184092254).

4425257677666 is a wasteful number, since it uses less digits than its factorization.

4425257677666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553572969.

The product of its digits is 711244800, while the sum is 67.

The spelling of 4425257677666 in words is "four trillion, four hundred twenty-five billion, two hundred fifty-seven million, six hundred seventy-seven thousand, six hundred sixty-six".