172638066296 has 16 divisors (see below), whose sum is σ = 323714189040. Its totient is φ = 86314282560.

The previous prime is 172638066287. The next prime is 172638066299. The reversal of 172638066296 is 692660836271.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172638066299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436940 + ... + 732251.

It is an arithmetic number, because the mean of its divisors is an integer number (20232136815).

Almost surely, 2^172638066296 is an apocalyptic number.

It is an amenable number.

172638066296 is a deficient number, since it is larger than the sum of its proper divisors (151076122744).

172638066296 is a wasteful number, since it uses less digits than its factorization.

172638066296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187654 (or 1187650 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 172638066296 in words is "one hundred seventy-two billion, six hundred thirty-eight million, sixty-six thousand, two hundred ninety-six".