72166110 has 32 divisors (see below), whose sum is σ = 173422080. Its totient is φ = 19219488.

The previous prime is 72166091. The next prime is 72166117. The reversal of 72166110 is 1166127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72166117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45511 + ... + 47069.

It is an arithmetic number, because the mean of its divisors is an integer number (5419440).

Almost surely, 2^72166110 is an apocalyptic number.

72166110 is an abundant number, since it is smaller than the sum of its proper divisors (101255970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72166110 is a wasteful number, since it uses less digits than its factorization.

72166110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 72166110 is about 8495.0638608547. The cubic root of 72166110 is about 416.3364473394.

The spelling of 72166110 in words is "seventy-two million, one hundred sixty-six thousand, one hundred ten".