66342936 has 64 divisors (see below), whose sum is σ = 183283200. Its totient is φ = 19843200.

The previous prime is 66342919. The next prime is 66342953. The reversal of 66342936 is 63924366.

It is an interprime number because it is at equal distance from previous prime (66342919) and next prime (66342953).

It is a junction number, because it is equal to n+sod(n) for n = 66342894 and 66342903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19266 + ... + 22446.

It is an arithmetic number, because the mean of its divisors is an integer number (2863800).

Almost surely, 2^66342936 is an apocalyptic number.

66342936 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66342936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91641600).

66342936 is an abundant number, since it is smaller than the sum of its proper divisors (116940264).

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

66342936 is a wasteful number, since it uses less digits than its factorization.

66342936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280 (or 3276 counting only the distinct ones).

The product of its digits is 139968, while the sum is 39.

The square root of 66342936 is about 8145.1173103891. The cubic root of 66342936 is about 404.8227360203.

The spelling of 66342936 in words is "sixty-six million, three hundred forty-two thousand, nine hundred thirty-six".