72148107266 has 4 divisors (see below), whose sum is σ = 108222160902. Its totient is φ = 36074053632.

The previous prime is 72148107247. The next prime is 72148107271. The reversal of 72148107266 is 66270184127.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45211091641 + 26937015625 = 212629^2 + 164125^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18037026815 + ... + 18037026818.

Almost surely, 2^72148107266 is an apocalyptic number.

72148107266 is a deficient number, since it is larger than the sum of its proper divisors (36074053636).

72148107266 is a wasteful number, since it uses less digits than its factorization.

72148107266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36074053635.

The product of its (nonzero) digits is 225792, while the sum is 44.

The spelling of 72148107266 in words is "seventy-two billion, one hundred forty-eight million, one hundred seven thousand, two hundred sixty-six".