66203042 has 16 divisors (see below), whose sum is σ = 104447232. Its totient is φ = 31427760.

The previous prime is 66203029. The next prime is 66203047. The reversal of 66203042 is 24030266.

It is a junction number, because it is equal to n+sod(n) for n = 66202999 and 66203017.

It is not an unprimeable number, because it can be changed into a prime (66203047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6788 + ... + 13359.

It is an arithmetic number, because the mean of its divisors is an integer number (6527952).

Almost surely, 2^66203042 is an apocalyptic number.

66203042 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66203042 is a deficient number, since it is larger than the sum of its proper divisors (38244190).

66203042 is a wasteful number, since it uses less digits than its factorization.

66203042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20233.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 66203042 is about 8136.5251797066. The cubic root of 66203042 is about 404.5379926961.

The spelling of 66203042 in words is "sixty-six million, two hundred three thousand, forty-two".