66357042 has 16 divisors (see below), whose sum is σ = 132796800. Its totient is φ = 22105232.

The previous prime is 66357037. The next prime is 66357043. The reversal of 66357042 is 24075366.

It is a super-3 number, since 3×66357042³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66356994 and 66357012.

It is not an unprimeable number, because it can be changed into a prime (66357043) 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, 13084 + ... + 17432.

It is an arithmetic number, because the mean of its divisors is an integer number (8299800).

Almost surely, 2^66357042 is an apocalyptic number.

66357042 is an abundant number, since it is smaller than the sum of its proper divisors (66439758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66357042 is a wasteful number, since it uses less digits than its factorization.

66357042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6897.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 66357042 is about 8145.9831819124. The cubic root of 66357042 is about 404.8514254593.

The spelling of 66357042 in words is "sixty-six million, three hundred fifty-seven thousand, forty-two".