72055167166 has 8 divisors (see below), whose sum is σ = 110596303224. Its totient is φ = 35189732760.

The previous prime is 72055167157. The next prime is 72055167169. The reversal of 72055167166 is 66176155027.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72055167169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418925305 + ... + 418925476.

It is an arithmetic number, because the mean of its divisors is an integer number (13824537903).

Almost surely, 2^72055167166 is an apocalyptic number.

72055167166 is a deficient number, since it is larger than the sum of its proper divisors (38541136058).

72055167166 is a wasteful number, since it uses less digits than its factorization.

72055167166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837850826.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 72055167166 in words is "seventy-two billion, fifty-five million, one hundred sixty-seven thousand, one hundred sixty-six".