125233051666 has 16 divisors (see below), whose sum is σ = 198909932256. Its totient is φ = 58930125376.

The previous prime is 125233051661. The next prime is 125233051709. The reversal of 125233051666 is 666150332521.

It is not an unprimeable number, because it can be changed into a prime (125233051661) 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, 648645 + ... + 819271.

It is an arithmetic number, because the mean of its divisors is an integer number (12431870766).

Almost surely, 2^125233051666 is an apocalyptic number.

125233051666 is a deficient number, since it is larger than the sum of its proper divisors (73676880590).

125233051666 is a wasteful number, since it uses less digits than its factorization.

125233051666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192233.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 125233051666 in words is "one hundred twenty-five billion, two hundred thirty-three million, fifty-one thousand, six hundred sixty-six".