72250353166 has 8 divisors (see below), whose sum is σ = 108381768480. Its totient is φ = 36123097008.

The previous prime is 72250353157. The next prime is 72250353229. The reversal of 72250353166 is 66135305227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72250353166² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 995991 + ... + 1066066.

It is an arithmetic number, because the mean of its divisors is an integer number (13547721060).

Almost surely, 2^72250353166 is an apocalyptic number.

72250353166 is a deficient number, since it is larger than the sum of its proper divisors (36131415314).

72250353166 is a wasteful number, since it uses less digits than its factorization.

72250353166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079578.

The product of its (nonzero) digits is 226800, while the sum is 40.

The spelling of 72250353166 in words is "seventy-two billion, two hundred fifty million, three hundred fifty-three thousand, one hundred sixty-six".