66046942 has 16 divisors (see below), whose sum is σ = 106836912. Its totient is φ = 30441600.

The previous prime is 66046913. The next prime is 66046943. The reversal of 66046942 is 24964066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66046943) 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, 26118 + ... + 28534.

It is an arithmetic number, because the mean of its divisors is an integer number (6677307).

Almost surely, 2^66046942 is an apocalyptic number.

66046942 is a deficient number, since it is larger than the sum of its proper divisors (40789970).

66046942 is a wasteful number, since it uses less digits than its factorization.

66046942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 66046942 is about 8126.9269714942. The cubic root of 66046942 is about 404.2197894014.

The spelling of 66046942 in words is "sixty-six million, forty-six thousand, nine hundred forty-two".