42503346166 has 8 divisors (see below), whose sum is σ = 63766949904. Its totient is φ = 21247696200.

The previous prime is 42503346163. The next prime is 42503346169. The reversal of 42503346166 is 66164330524.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42503346163) and next prime (42503346169).

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 (42503346163) 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, 1975065 + ... + 1996468.

It is an arithmetic number, because the mean of its divisors is an integer number (7970868738).

Almost surely, 2^42503346166 is an apocalyptic number.

42503346166 is a deficient number, since it is larger than the sum of its proper divisors (21263603738).

42503346166 is a wasteful number, since it uses less digits than its factorization.

42503346166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976886.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 42503346166 in words is "forty-two billion, five hundred three million, three hundred forty-six thousand, one hundred sixty-six".