40620166 has 8 divisors (see below), whose sum is σ = 60960240. Its totient is φ = 20300088.

The previous prime is 40620133. The next prime is 40620169. The reversal of 40620166 is 66102604.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40620166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40620169) 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, 2095 + ... + 9253.

It is an arithmetic number, because the mean of its divisors is an integer number (7620030).

Almost surely, 2^40620166 is an apocalyptic number.

40620166 is a deficient number, since it is larger than the sum of its proper divisors (20340074).

40620166 is a wasteful number, since it uses less digits than its factorization.

40620166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9998.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40620166 is about 6373.3951705508. The cubic root of 40620166 is about 343.7535811858.

The spelling of 40620166 in words is "forty million, six hundred twenty thousand, one hundred sixty-six".