66941203 has 12 divisors (see below), whose sum is σ = 78860640. Its totient is φ = 56648592.

The previous prime is 66941197. The next prime is 66941269. The reversal of 66941203 is 30214966.

It is not a de Polignac number, because 66941203 - 2²¹ = 64844051 is a prime.

It is a super-2 number, since 2×66941203² = 8962249318174418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66942203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4776 + ... + 12517.

It is an arithmetic number, because the mean of its divisors is an integer number (6571720).

Almost surely, 2^66941203 is an apocalyptic number.

66941203 is a deficient number, since it is larger than the sum of its proper divisors (11919437).

66941203 is a wasteful number, since it uses less digits than its factorization.

66941203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17386 (or 17379 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 66941203 is about 8181.7603851494. The cubic root of 66941203 is about 406.0359658983.

The spelling of 66941203 in words is "sixty-six million, nine hundred forty-one thousand, two hundred three".