66240062 has 24 divisors (see below), whose sum is σ = 116680824. Its totient is φ = 28118832.

The previous prime is 66240043. The next prime is 66240071. The reversal of 66240062 is 26004266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7328 + ... + 13644.

It is an arithmetic number, because the mean of its divisors is an integer number (4861701).

Almost surely, 2^66240062 is an apocalyptic number.

66240062 is a deficient number, since it is larger than the sum of its proper divisors (50440762).

66240062 is a wasteful number, since it uses less digits than its factorization.

66240062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440 (or 6433 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 66240062 is about 8138.7997886666. The cubic root of 66240062 is about 404.6133830178.

The spelling of 66240062 in words is "sixty-six million, two hundred forty thousand, sixty-two".